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发明名称
ELECTRON BEAM WELDING PROCESS AND APPARATUS
摘要
申请公布号
US3585351(A)
申请公布日期
1971.06.15
申请号
USD3585351
申请日期
1969.08.25
申请人
A.O. SMITH CORP.
发明人
JOHN F. HINRICHS
分类号
B23K15/00;B23K20/04;(IPC1-7):B23K15/00
主分类号
B23K15/00
代理机构
代理人
主权项
地址
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