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发明名称
摘要
申请公布号	JPH0637043(Y2)	申请公布日期	1994.09.28
申请号	JP19900049360U	申请日期	1990.05.10
申请人		发明人
分类号	E01C5/00;E01C11/22;E01C19/52;(IPC1-7):E01C19/52	主分类号	E01C5/00
代理机构		代理人
主权项
地址

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