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class=ts-pagebuttonPage 15button div class=ts-image amp-img class=ts-thumb alt=Page 15: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails15jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 16button div class=ts-image amp-img class=ts-thumb alt=Page 16: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails16jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 17button div class=ts-image amp-img class=ts-thumb alt=Page 17: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped 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class=ts-pagebuttonPage 22button div class=ts-image amp-img class=ts-thumb alt=Page 22: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails22jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 23button div class=ts-image amp-img class=ts-thumb alt=Page 23: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails23jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 24button div class=ts-image amp-img class=ts-thumb alt=Page 24: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped 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class=ts-pagebuttonPage 36button div class=ts-image amp-img class=ts-thumb alt=Page 36: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails36jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 37button div class=ts-image amp-img class=ts-thumb alt=Page 37: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped low-air-pressure hammer with a single piston a plate valve and a central exhaust structure The compressed src=https:reader030vdocumentinreader030viewer20220409195e968badf3c629750e132fe7html5thumbnails37jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 38button div class=ts-image amp-img class=ts-thumb alt=Page 38: DTH DRILLING PRODUCTS · HR series DTH hammer a kind of valve-equipped 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