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经营范围
发明名称
Vanne automatique
摘要
申请公布号
FR808631(A)
申请公布日期
1937.02.11
申请号
FRD808631
申请日期
1936.07.20
申请人
发明人
BERTIN ALBERT
分类号
E02B13/02
主分类号
E02B13/02
代理机构
代理人
主权项
地址
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