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经营范围
发明名称
Clapet pour toutes applications
摘要
申请公布号
FR808192(A)
申请公布日期
1937.01.30
申请号
FRD808192
申请日期
1935.10.15
申请人
CELESTIN COQ & COMPAGNIE
发明人
分类号
F04B53/10
主分类号
F04B53/10
代理机构
代理人
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地址
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