Spring suspension for railroad cars,申请号US19430473824-传众专利搜索

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发明名称	Spring suspension for railroad cars
摘要
申请公布号	US2394547(A)	申请公布日期	1946.02.12
申请号	US19430473824	申请日期	1943.01.28
申请人	HICKMAN PNEUMATIC SEAT CO. INC.	发明人	HICKMAN ALBERT F.
分类号	B61F5/12	主分类号	B61F5/12
代理机构		代理人
主权项
地址

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