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发明名称
摘要
申请公布号
JPS5280506(U)
申请公布日期
1977.06.16
申请号
JP19750168830U
申请日期
1975.12.12
申请人
发明人
分类号
E04F15/00;E04B1/38;E04B1/58;(IPC1-7):E04B1/40
主分类号
E04F15/00
代理机构
代理人
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