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发明名称
摘要
申请公布号
JPH086951(Y2)
申请公布日期
1996.02.28
申请号
JP19900019374U
申请日期
1990.02.26
申请人
发明人
分类号
E04G15/04;E04H17/22;(IPC1-7):E04G15/04
主分类号
E04G15/04
代理机构
代理人
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