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发明名称
Improvements in electric spot-welding installations
摘要
申请公布号
GB431977(A)
申请公布日期
1935.07.18
申请号
GB19340023666
申请日期
1934.08.16
申请人
DAVID SCIAKY
发明人
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
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地址
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