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发明名称
摘要
申请公布号
JPS5747790(U)
申请公布日期
1982.03.17
申请号
JP19800123106U
申请日期
1980.09.01
申请人
发明人
分类号
F04B49/00;F04B49/08;(IPC1-7):F04B49/08
主分类号
F04B49/00
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代理人
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