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经营范围
发明名称
Valve pour bouteilles de gaz comprimés
摘要
申请公布号
FR814521(A)
申请公布日期
1937.06.24
申请号
FRD814521
申请日期
1936.02.27
申请人
发明人
COUROUVE PAUL
分类号
F16K1/30
主分类号
F16K1/30
代理机构
代理人
主权项
地址
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