Sealing means for a roll assembly in the entrance or exit passage of a pressure or vacuum chamber,申请号US19550511670-传众专利搜索

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发明名称	Sealing means for a roll assembly in the entrance or exit passage of a pressure or vacuum chamber
摘要
申请公布号	US2844889(A)	申请公布日期	1958.07.29
申请号	US19550511670	申请日期	1955.05.27
申请人	BACHMANN UXBRIDGE WORSTED CORPORATION	发明人	CORBETT LAWRENCE W.
分类号	D06B23/18	主分类号	D06B23/18
代理机构		代理人
主权项
地址

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