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经营范围
发明名称
Perfectionnements aux valves
摘要
申请公布号
FR720513(A)
申请公布日期
1932.02.20
申请号
FRD720513
申请日期
1931.07.23
申请人
TYER RUBBER COMPANY
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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