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发明名称
摘要
申请公布号
JPH0392575(U)
申请公布日期
1991.09.20
申请号
JP19900001779U
申请日期
1990.01.12
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发明人
分类号
F04B39/00;(IPC1-7):F04B39/00
主分类号
F04B39/00
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