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发明名称
摘要
申请公布号
JPH01148460(U)
申请公布日期
1989.10.13
申请号
JP19880035201U
申请日期
1988.03.18
申请人
发明人
分类号
E04G25/00;E04G19/00;(IPC1-7):E04G25/00
主分类号
E04G25/00
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代理人
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