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发明名称
摘要
申请公布号
JPH0442273(U)
申请公布日期
1992.04.09
申请号
JP19900083541U
申请日期
1990.08.06
申请人
发明人
分类号
F04B37/08;(IPC1-7):F04B37/08
主分类号
F04B37/08
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代理人
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地址
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