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经营范围
发明名称
Perfectionnements aux valves de bicyclettes
摘要
申请公布号
FR907003(A)
申请公布日期
1946.02.27
申请号
FRD907003
申请日期
1944.03.24
申请人
MANUFACTURE DE CAOUTCHOUC MICHELIN, PUISEUX, BOULANGER & CO
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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