Railroad car gassing device,申请号US19490076253-传众专利搜索

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法人/股东/高管

发明名称	Railroad car gassing device
摘要
申请公布号	US2549255(A)	申请公布日期	1951.04.17
申请号	US19490076253	申请日期	1949.02.14
申请人	SNOWDEN WARD E	发明人	SNOWDEN WARD 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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