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发明名称
摘要
申请公布号	JP2540891(Y2)	申请公布日期	1997.07.09
申请号	JP19910020369U	申请日期	1991.03.08
申请人		发明人
分类号	E03C1/02;E03C1/04;(IPC1-7):E03C1/02	主分类号	E03C1/02
代理机构		代理人
主权项
地址

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