Water seal for refrigerator cars,申请号US19470753304-传众专利搜索

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发明名称	Water seal for refrigerator cars
摘要
申请公布号	US2508294(A)	申请公布日期	1950.05.16
申请号	US19470753304	申请日期	1947.06.07
申请人	POWERS RICHARD E	发明人	POWERS RICHARD E.
分类号	B61D27/00	主分类号	B61D27/00
代理机构		代理人
主权项
地址

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