Rotary kiln and cooler,申请号US19280252634-传众专利搜索

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发明名称	Rotary kiln and cooler
摘要
申请公布号	US1830959(A)	申请公布日期	1931.11.10
申请号	US19280252634	申请日期	1928.02.07
申请人	F. L. SMIDTH & CO.	发明人	PETERSEN LOUIS STEFFEN
分类号	F27B7/40	主分类号	F27B7/40
代理机构		代理人
主权项
地址

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