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发明名称
摘要
申请公布号
FR2055901(A5)
申请公布日期
1971.05.14
申请号
FR19690026892
申请日期
1969.08.05
申请人
DEMOLY FRERES ETS
发明人
分类号
F16K35/02;(IPC1-7):F16K11/00;F24C3/00
主分类号
F16K35/02
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