Railway hopper car door sealing assembly,申请号US19660576748-传众专利搜索

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发明名称	Railway hopper car door sealing assembly
摘要
申请公布号	US3401645(A)	申请公布日期	1968.09.17
申请号	US19660576748	申请日期	1966.09.01
申请人	MIDLAND-ROSS CORPORATION	发明人	FLOEHR WALTER L.
分类号	B61D7/22	主分类号	B61D7/22
代理机构		代理人
主权项
地址

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