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经营范围
发明名称
Perfectionnements aux vannes sphériques
摘要
申请公布号
FR1249536(A)
申请公布日期
1960.12.30
申请号
FR19590810751
申请日期
1959.11.20
申请人
发明人
JAUSSAUD LAZARE
分类号
F16K5/20
主分类号
F16K5/20
代理机构
代理人
主权项
地址
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