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摘要
申请公布号
JPS57117785(U)
申请公布日期
1982.07.21
申请号
JP19810003228U
申请日期
1981.01.13
申请人
发明人
分类号
F04C29/12;F04C29/00;F16K15/16;(IPC1-7):F04C29/00
主分类号
F04C29/12
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