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发明名称
Improvements in or relating to the surface treatment of steel
摘要
申请公布号
GB1028776(A)
申请公布日期
1966.05.11
申请号
GB19630030176
申请日期
1963.07.30
申请人
BELL INTERCONTINENTAL CORPORATION
发明人
分类号
B21B45/04;B24C1/00;C21D7/06
主分类号
B21B45/04
代理机构
代理人
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