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发明名称
摘要
申请公布号
JPS54169809(U)
申请公布日期
1979.11.30
申请号
JP19780068389U
申请日期
1978.05.18
申请人
发明人
分类号
F04B39/06;(IPC1-7):F04B39/06
主分类号
F04B39/06
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