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发明名称
摘要
申请公布号
JPS5287122(U)
申请公布日期
1977.06.29
申请号
JP19750176887U
申请日期
1975.12.25
申请人
发明人
分类号
E04F15/10;(IPC1-7):E04F15/10
主分类号
E04F15/10
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代理人
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地址
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