A WHEEL AND TRACK SYSTEM,申请号GB19870009482-传众专利搜索

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发明名称	A WHEEL AND TRACK SYSTEM
摘要
申请公布号	GB2189440(B)	申请公布日期	1989.12.06
申请号	GB19870009482	申请日期	1987.04.22
申请人	* PORTEC INC	发明人	DAVID M * PRUETT;ROBERT D * BROWN
分类号	B61B13/00;B60B17/00;B61F19/02;E01B25/00	主分类号	B61B13/00
代理机构		代理人
主权项
地址

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