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发明名称
摘要
申请公布号
JPS5290719(U)
申请公布日期
1977.07.06
申请号
JP19750176446U
申请日期
1975.12.29
申请人
发明人
分类号
F04B27/08;F04B25/04;(IPC1-7):F04B27/08
主分类号
F04B27/08
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代理人
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