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发明名称
Electric welding machine
摘要
申请公布号
US2073603(A)
申请公布日期
1937.03.16
申请号
US19350056054
申请日期
1935.12.24
申请人
WALTER D. KREHBIEL
发明人
BECKMAN ERNEST E.
分类号
B23K9/133
主分类号
B23K9/133
代理机构
代理人
主权项
地址
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