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发明名称
摘要
申请公布号
JPH02131075(U)
申请公布日期
1990.10.30
申请号
JP19890040663U
申请日期
1989.04.06
申请人
发明人
分类号
F02M37/22;F02M37/00;F02M69/00;F16K25/00;(IPC1-7):F02M69/00
主分类号
F02M37/22
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