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发明名称
摘要
申请公布号
FR2171365(A1)
申请公布日期
1973.09.21
申请号
FR19730004654
申请日期
1973.02.09
申请人
IMI OPELLA LTD,GB
发明人
分类号
F16K11/22;F16K1/50;F16K11/20;(IPC1-7):F16K11/10;E03C1/02
主分类号
F16K11/22
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代理人
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地址
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