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发明名称
摘要
申请公布号	JPS5638726(B2)	申请公布日期	1981.09.08
申请号	JP19770057369	申请日期	1977.05.17
申请人		发明人
分类号	E01H5/04	主分类号	E01H5/04
代理机构		代理人
主权项
地址

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