Seal for rotary kilns,申请号US19410375760-传众专利搜索

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发明名称	Seal for rotary kilns
摘要
申请公布号	US2334663(A)	申请公布日期	1943.11.16
申请号	US19410375760	申请日期	1941.01.24
申请人	NATIONAL LEAD COMPANY	发明人	WHITNEY JOHN BOARDMAN
分类号	F27B7/24	主分类号	F27B7/24
代理机构		代理人
主权项
地址

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