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发明名称
Direct-passage valve
摘要
申请公布号
US2964285(A)
申请公布日期
1960.12.13
申请号
US19590789962
申请日期
1959.01.29
申请人
STE. DES CIMENTS DE MARSEILLE ET D'OUTRE-MER
发明人
BARDET PIERRE
分类号
F16K7/07
主分类号
F16K7/07
代理机构
代理人
主权项
地址
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