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发明名称
Process of welding metals
摘要
申请公布号
US2150045(A)
申请公布日期
1939.03.07
申请号
US19360057864
申请日期
1936.01.06
申请人
WILHELM AHLERT
发明人
AHLERT WILHELM
分类号
B23K23/00
主分类号
B23K23/00
代理机构
代理人
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