Process of manufacturing fertilizers,申请号US19310508620-传众专利搜索

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发明名称	Process of manufacturing fertilizers
摘要
申请公布号	US1968323(A)	申请公布日期	1934.07.31
申请号	US19310508620	申请日期	1931.01.14
申请人	THE KOPPERS COMPANY OF DELAWARE	发明人	JR. FREDERICK W. SPERR,
分类号	C05B1/06	主分类号	C05B1/06
代理机构		代理人
主权项
地址

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