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发明名称
BEAM FABRICATING METHOD
摘要
申请公布号
US3434198(A)
申请公布日期
1969.03.25
申请号
USD3434198
申请日期
1965.11.22
申请人
KAISER STEEL CORP.
发明人
ATTILIO R. BERGANTINI
分类号
B23K9/025;(IPC1-7):B23K31/02;B23P19/04
主分类号
B23K9/025
代理机构
代理人
主权项
地址
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