Transcript
Page 1: Addition of bismuth for producing free machining
Page 2: Addition of bismuth for producing free machining
Page 3: Addition of bismuth for producing free machining
Page 4: Addition of bismuth for producing free machining
Page 5: Addition of bismuth for producing free machining
Page 6: Addition of bismuth for producing free machining
Page 7: Addition of bismuth for producing free machining

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