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发明名称
摘要
申请公布号
JP2501171(Y2)
申请公布日期
1996.06.12
申请号
JP19910022278U
申请日期
1991.03.13
申请人
发明人
分类号
E04F11/18;E04F19/02;(IPC1-7):E04F11/18
主分类号
E04F11/18
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