Axle box bearing,申请号US19290357750-传众专利搜索

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发明名称	Axle box bearing
摘要
申请公布号	US1816801(A)	申请公布日期	1931.07.28
申请号	US19290357750	申请日期	1929.04.24
申请人	PARRY VAUCLAIN CHARLES	发明人	VAUCLAIN CHARLES PARRY
分类号	B61F15/04	主分类号	B61F15/04
代理机构		代理人
主权项
地址

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