Rubber valve stem,申请号US19390271296-传众专利搜索

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发明名称	Rubber valve stem
摘要
申请公布号	US2308952(A)	申请公布日期	1943.01.19
申请号	US19390271296	申请日期	1939.05.02
申请人	THE FIRESTONE TIRE & RUBBER COMPANY	发明人	ICKES HOWARD C.
分类号	B60C29/00	主分类号	B60C29/00
代理机构		代理人
主权项
地址

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