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经营范围
发明名称
Electric flash welding
摘要
申请公布号
US2617004(A)
申请公布日期
1952.11.04
申请号
US19490134745
申请日期
1949.12.23
申请人
A. O. SMITH CORPORATION
发明人
HEATH WILLIAM C.
分类号
B23K11/04
主分类号
B23K11/04
代理机构
代理人
主权项
地址
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