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发明名称
摘要
申请公布号
JPH0342199(Y2)
申请公布日期
1991.09.04
申请号
JP19860154028U
申请日期
1986.10.07
申请人
发明人
分类号
E04G13/04;E04G9/02;E04G15/00;(IPC1-7):E04G9/02
主分类号
E04G13/04
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代理人
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