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经营范围
发明名称
Valve pneumatique
摘要
申请公布号
FR1005781(A)
申请公布日期
1952.04.15
申请号
FRD1005781
申请日期
1947.09.23
申请人
发明人
BEYL JEAN-JOSEPH-ALFRED
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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