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经营范围
发明名称
Obturateur à membrane fonctionnant à pression minimum
摘要
申请公布号
FR1539733(A)
申请公布日期
1968.09.20
申请号
FR19670112357
申请日期
1967.06.29
申请人
EVRARD & CO-S.A.
发明人
分类号
F16K7/12
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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