Balanced seal for suction rolls,申请号US19390278383-传众专利搜索

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发明名称	Balanced seal for suction rolls
摘要
申请公布号	US2312519(A)	申请公布日期	1943.03.02
申请号	US19390278383	申请日期	1939.06.10
申请人	BELOIT IRON WORKS	发明人	BERRY EARL E.
分类号	D21F3/10	主分类号	D21F3/10
代理机构		代理人
主权项
地址

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