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发明名称
摘要
申请公布号
JPS621490(Y2)
申请公布日期
1987.01.14
申请号
JP19800038107U
申请日期
1980.03.25
申请人
发明人
分类号
F02F3/00;F16J1/14;F16J1/16;(IPC1-7):F16J1/16
主分类号
F02F3/00
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代理人
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