hongbaoshu - yd-hd.com · 1 2 3.1 jb/t 5000. 8— the heavy mechanical general techniques and...

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Page 1: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 2: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 3: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 4: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 5: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 6: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80
Page 7: hongbaoshu - yd-hd.com · 1 2 3.1 JB/T 5000. 8— The heavy mechanical general techniques and standards Forging GB 223 GB 226 GB 228— 87 GB 229 94 GB 231 84 GB 1979 —80