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摘要
申请公布号
JPS6447938(U)
申请公布日期
1989.03.24
申请号
JP19870141659U
申请日期
1987.09.18
申请人
发明人
分类号
F02B39/00;F16C17/18;F16C33/10;(IPC1-7):F02B39/00
主分类号
F02B39/00
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