Retainer post assembly for paper grain door for boxcars,申请号US19550508241-传众专利搜索

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发明名称	Retainer post assembly for paper grain door for boxcars
摘要
申请公布号	US2792882(A)	申请公布日期	1957.05.21
申请号	US19550508241	申请日期	1955.05.13
申请人	SNYDER JAMES S	发明人	SNYDER JAMES S.
分类号	B61D19/00	主分类号	B61D19/00
代理机构		代理人
主权项
地址

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