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发明名称
Electric welding
摘要
申请公布号
US2152194(A)
申请公布日期
1939.03.28
申请号
US19360074849
申请日期
1936.04.17
申请人
UNION CARBIDE AND CARBON RESEARCH LABORATORIES, INC.
发明人
JONES LLOYD T.
分类号
B23K9/073
主分类号
B23K9/073
代理机构
代理人
主权项
地址
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