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发明名称
摘要
申请公布号
JPS56115587(U)
申请公布日期
1981.09.04
申请号
JP19800011953U
申请日期
1980.02.04
申请人
发明人
分类号
F04B39/02;(IPC1-7):F04B39/02
主分类号
F04B39/02
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代理人
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