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发明名称
摘要
申请公布号
JPS5257444(U)
申请公布日期
1977.04.26
申请号
JP19750145068U
申请日期
1975.10.23
申请人
发明人
分类号
E05F13/04;E05F13/02;(IPC1-7):E05F13/02
主分类号
E05F13/04
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代理人
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