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发明名称
Assemblage par soudage bout à bout, destiné notamment aux tubes à paroi épaisse
摘要
申请公布号
FR1055691(A)
申请公布日期
1954.02.22
申请号
FRD1055691
申请日期
1952.05.13
申请人
WESTDEUTSCHE MANNESMANNROHREN AKTIENGESELLSCHAFT
发明人
分类号
B23K33/00
主分类号
B23K33/00
代理机构
代理人
主权项
地址
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