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发明名称
Valve pour ballons en caoutchouc et autres enveloppes
摘要
申请公布号
FR823498(A)
申请公布日期
1938.01.20
申请号
FRD823498
申请日期
1937.06.23
申请人
SOCIETE 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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