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经营范围
发明名称
Perfectionnements aux valves de décharge ou analogue et leurs applications
摘要
申请公布号
FR1365995(A)
申请公布日期
1964.07.10
申请号
FR19630930094
申请日期
1963.04.02
申请人
发明人
MERCIER JEAN
分类号
F15B1/027
主分类号
F15B1/027
代理机构
代理人
主权项
地址
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