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发明名称
Perfectionnements aux soupapes automatiques
摘要
申请公布号
FR716362(A)
申请公布日期
1931.12.19
申请号
FRD716362
申请日期
1931.04.30
申请人
发明人
BELYAVIN PAUL
分类号
F16K15/16
主分类号
F16K15/16
代理机构
代理人
主权项
地址
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