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发明名称
Verfahren zum Aufschweissen von Rohrbunden
摘要
申请公布号
DE552074(C)
申请公布日期
1932.06.09
申请号
DE1928SC87374D
申请日期
1928.08.10
申请人
ALBERT SCHAEFER
发明人
分类号
B23K33/00
主分类号
B23K33/00
代理机构
代理人
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