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发明名称
摘要
申请公布号
JPH0310044(U)
申请公布日期
1991.01.30
申请号
JP19890071215U
申请日期
1989.06.20
申请人
发明人
分类号
F02B61/06;F02B77/13;F02F7/00;(IPC1-7):F02B77/13
主分类号
F02B61/06
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