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发明名称
摘要
申请公布号
FR1591836(A)
申请公布日期
1970.05.04
申请号
FRD1591836
申请日期
1968.11.14
申请人
发明人
分类号
F04B17/04;F04B53/06
主分类号
F04B17/04
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