Grate structure for retorts and the like,申请号US19290380552-传众专利搜索

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发明名称	Grate structure for retorts and the like
摘要
申请公布号	US1852433(A)	申请公布日期	1932.04.05
申请号	US19290380552	申请日期	1929.07.24
申请人	SAMUEL E. DARBY	发明人	PARKER RICHARD B.
分类号	C10B7/06	主分类号	C10B7/06
代理机构		代理人
主权项
地址

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