Grain door for box cars,申请号US19290413283-传众专利搜索

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发明名称	Grain door for box cars
摘要
申请公布号	US1820098(A)	申请公布日期	1931.08.25
申请号	US19290413283	申请日期	1929.12.11
申请人	STORM WILLIAM J	发明人	STORM WILLIAM J.
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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