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发明名称
摘要
申请公布号
JPS5273934(U)
申请公布日期
1977.06.02
申请号
JP19750162260U
申请日期
1975.12.01
申请人
发明人
分类号
E04H12/00;E04H12/20;H02G7/00;(IPC1-7):E04H12/20
主分类号
E04H12/00
代理机构
代理人
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