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发明名称
摘要
申请公布号
JPS5424702(U)
申请公布日期
1979.02.17
申请号
JP19770097102U
申请日期
1977.07.22
申请人
发明人
分类号
F04B53/00;(IPC1-7):F04B21/00
主分类号
F04B53/00
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代理人
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