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发明名称
SPOT WELDING SYSTEM AND METHOD
摘要
申请公布号
CA861082(A)
申请公布日期
1971.01.12
申请号
CAD861082
申请日期
申请人
AMERICAN OPTICAL CORPORATION
发明人
WILHELM F. HAGEN
分类号
主分类号
代理机构
代理人
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地址
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