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发明名称
摘要
申请公布号
JPH0185467(U)
申请公布日期
1989.06.06
申请号
JP19870180812U
申请日期
1987.11.27
申请人
发明人
分类号
F02B39/02;F02B67/00;F02N11/00;F02N19/00;(IPC1-7):F02N17/08
主分类号
F02B39/02
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