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发明名称
摘要
申请公布号	JPS5727246(B2)	申请公布日期	1982.06.09
申请号	JP19740109514	申请日期	1974.09.25
申请人		发明人
分类号	E01D19/06;E01C11/02;E01D24/00;E04G23/08	主分类号	E01D19/06
代理机构		代理人
主权项
地址

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