Trench-box panel,申请号US19900518700-传众专利搜索

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发明名称	Trench-box panel
摘要
申请公布号	US4993880(A)	申请公布日期	1991.02.19
申请号	US19900518700	申请日期	1990.05.03
申请人	MAYBE HIRE COMPANY LIMITED	发明人	COLLINS, JOHN
分类号	E02D17/08	主分类号	E02D17/08
代理机构		代理人
主权项
地址

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