Method of treating nitrogenous waste materials,申请号US19230642761-传众专利搜索

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发明名称	Method of treating nitrogenous waste materials
摘要
申请公布号	US1820920(A)	申请公布日期	1931.09.01
申请号	US19230642761	申请日期	1923.06.01
申请人	EMILY Q. LANDRETH	发明人	MOERK FRANK N.
分类号	C05F1/00;C05F7/00	主分类号	C05F1/00
代理机构		代理人
主权项
地址

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