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发明名称
摘要
申请公布号
JPS5467520(U)
申请公布日期
1979.05.14
申请号
JP19770139076U
申请日期
1977.10.17
申请人
发明人
分类号
E04H17/14;E04F11/18;F16B7/00;F16B7/22;(IPC1-7):E04F11/18
主分类号
E04H17/14
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