Method of and apparatus for treating materials,申请号US19270233729-传众专利搜索

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发明名称	Method of and apparatus for treating materials
摘要
申请公布号	US1871456(A)	申请公布日期	1932.08.16
申请号	US19270233729	申请日期	1927.11.16
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	KIVLEY RAY CHARLES
分类号	D06B3/00	主分类号	D06B3/00
代理机构		代理人
主权项
地址

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