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发明名称
Dispositif de filetage permettant d'assembler sans taraudage toutes les tuyauteries métalliques
摘要
申请公布号
FR677108(A)
申请公布日期
1930.03.04
申请号
FRD677108
申请日期
1929.06.17
申请人
发明人
DARDELET JEAN
分类号
F16L15/00
主分类号
F16L15/00
代理机构
代理人
主权项
地址
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