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摘要
申请公布号
JP2547962(Y2)
申请公布日期
1997.09.17
申请号
JP19910039711U
申请日期
1991.04.30
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发明人
分类号
E04H9/02;(IPC1-7):E04H9/02
主分类号
E04H9/02
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