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发明名称
摘要
申请公布号
JPH0469583(U)
申请公布日期
1992.06.19
申请号
JP19900112793U
申请日期
1990.10.26
申请人
发明人
分类号
E04D13/00;E04H9/16;(IPC1-7):E04H9/16
主分类号
E04D13/00
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