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发明名称
摘要
申请公布号
JPH0612769(U)
申请公布日期
1994.02.18
申请号
JP19920054843U
申请日期
1992.07.13
申请人
发明人
分类号
F04B23/04;F04B49/06;(IPC1-7):F04B23/04
主分类号
F04B23/04
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代理人
主权项
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