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发明名称
摘要
申请公布号	JPS5737725(B2)	申请公布日期	1982.08.11
申请号	JP19770151061	申请日期	1977.12.15
申请人		发明人
分类号	E01D19/04;E01D21/00;E01D101/24	主分类号	E01D19/04
代理机构		代理人
主权项
地址

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