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经营范围
发明名称
Dispositif d'assemblage de deux tuyaux.
摘要
申请公布号
CH211708(A)
申请公布日期
1940.10.15
申请号
CHD211708
申请日期
1939.07.20
申请人
SPRENG,ALBERT
发明人
SPRENG,ALBERT
分类号
F16L19/03
主分类号
F16L19/03
代理机构
代理人
主权项
地址
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