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发明名称
摘要
申请公布号
JPS566977(U)
申请公布日期
1981.01.21
申请号
JP19790088014U
申请日期
1979.06.27
申请人
发明人
分类号
F04B49/10;F04B49/06;(IPC1-7):F04B49/10
主分类号
F04B49/10
代理机构
代理人
主权项
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