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发明名称
摘要
申请公布号
JPS57202590(U)
申请公布日期
1982.12.23
申请号
JP19810091220U
申请日期
1981.06.20
申请人
发明人
分类号
E06B7/18;E06B7/23;(IPC1-7):E06B7/18
主分类号
E06B7/18
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代理人
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