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经营范围
发明名称
Soupape à membrane
摘要
申请公布号
FR1079468(A)
申请公布日期
1954.11.30
申请号
FRD1079468
申请日期
1953.06.20
申请人
WEKA A. G.
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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