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发明名称
Dispositif pour l'exécution d'assemblages sur des grandes pièces de construction par soudure électrique à résistance
摘要
申请公布号
FR841072(A)
申请公布日期
1939.05.10
申请号
FRD841072
申请日期
1938.07.23
申请人
JUNKERS FLUGZEUG-UND-MOTORENWERKE AKTIENGESELLSCHAFT
发明人
分类号
B23K37/047
主分类号
B23K37/047
代理机构
代理人
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