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发明名称
Clapet automatique double effet
摘要
申请公布号
FR1152988(A)
申请公布日期
1958.02.27
申请号
FRD1152988
申请日期
1956.06.19
申请人
发明人
MARTIN HERVE-PAUL
分类号
F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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