Hollow bars for machining - technical delivery conditions - non alloy and alloy steels 机制空心棒.技术交货条件.非合金和合金钢
2.
Hollow bars for machining . technical delivery conditions . part 1 : non alloy and alloy steels 机制空心棒.交货技术条件.第1部分:非合金和合金钢
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Hollow bars for machining - technical delivery conditions - part 1 : non alloy and alloy steels ; german version en 10294 - 1 : 2005 机制空心棒.技术交货条件.第1部分:非合金和合金钢.德