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发明名称
摘要
申请公布号
JPS62650(U)
申请公布日期
1987.01.06
申请号
JP19850092630U
申请日期
1985.06.19
申请人
发明人
分类号
E04H15/34;E04H15/44;(IPC1-7):E04H15/44
主分类号
E04H15/34
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代理人
主权项
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