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发明名称
Raccords spéciaux pour tuyaux en chlorure de polyvinyle rigides et souples, polythène, caoutchouc ou autres
摘要
申请公布号
FR1213922(A)
申请公布日期
1960.04.05
申请号
FRD1213922
申请日期
1958.11.12
申请人
发明人
FREY CHARLES-LOUIS
分类号
F16L47/00
主分类号
F16L47/00
代理机构
代理人
主权项
地址
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