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经营范围
发明名称
Perfectionnements à la régulation des siphons et ouvrages analogues
摘要
申请公布号
FR1444275(A)
申请公布日期
1966.07.01
申请号
FR19650018056
申请日期
1965.05.22
申请人
发明人
PONSAR YVES MARIE
分类号
E02B7/18
主分类号
E02B7/18
代理机构
代理人
主权项
地址
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