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发明名称
Bouchon-valve en caoutchouc
摘要
申请公布号
FR828245(A)
申请公布日期
1938.05.12
申请号
FRD828245
申请日期
1937.10.23
申请人
DELACOSTE & COMPAGNIE
发明人
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
主权项
地址
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