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发明名称
摘要
申请公布号
JPS6347662(Y2)
申请公布日期
1988.12.08
申请号
JP19810085315U
申请日期
1981.06.10
申请人
发明人
分类号
F04B15/02;F04B7/00;(IPC1-7):F04B15/02
主分类号
F04B15/02
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代理人
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