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发明名称
摘要
申请公布号
JPS569100(Y2)
申请公布日期
1981.02.27
申请号
JP19720025892U
申请日期
1972.03.02
申请人
发明人
分类号
F04B17/04;F04B43/02;F04B45/04;F04B45/047;(IPC1-7):F04B43/02
主分类号
F04B17/04
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