Method of making tire treads,申请号US19390284780-传众专利搜索

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发明名称	Method of making tire treads
摘要
申请公布号	US2232488(A)	申请公布日期	1941.02.18
申请号	US19390284780	申请日期	1939.07.15
申请人	UNITED STATES RUBBER COMPANY	发明人	SMITH WALTER V.
分类号	B29D30/52	主分类号	B29D30/52
代理机构		代理人
主权项
地址

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