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发明名称
摘要
申请公布号	JPH0728319(Y2)	申请公布日期	1995.06.28
申请号	JP19890108454U	申请日期	1989.09.16
申请人		发明人
分类号	E04G21/30;(IPC1-7):E04G21/30	主分类号	E04G21/30
代理机构		代理人
主权项
地址

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