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发明名称
摘要
申请公布号
JPH0437159(Y2)
申请公布日期
1992.09.01
申请号
JP19870072759U
申请日期
1987.05.14
申请人
发明人
分类号
E04F11/18;F16B7/22;(IPC1-7):E04F11/18
主分类号
E04F11/18
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代理人
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