Traction-increasing device for vehicle wheels,申请号US19480037337-传众专利搜索

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发明名称	Traction-increasing device for vehicle wheels
摘要
申请公布号	US2540147(A)	申请公布日期	1951.02.06
申请号	US19480037337	申请日期	1948.07.07
申请人	SUTHERLAND JR ROBERT T	发明人	JR. ROBERT T. SUTHERLAND,
分类号	B60B15/10	主分类号	B60B15/10
代理机构		代理人
主权项
地址

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