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发明名称
摘要
申请公布号
JPS5512031(U)
申请公布日期
1980.01.25
申请号
JP19780094201U
申请日期
1978.07.07
申请人
发明人
分类号
F04B39/02;F04B49/08;(IPC1-7):F04B49/08
主分类号
F04B39/02
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