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发明名称
Welding
摘要
申请公布号
US2194272(A)
申请公布日期
1940.03.19
申请号
US19360118457
申请日期
1936.12.31
申请人
SEARS, ROEBUCK AND CO.
发明人
BLU MARSHALL A.
分类号
B23K11/00
主分类号
B23K11/00
代理机构
代理人
主权项
地址
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