Process for the production of zinc sulphate,申请号US19300500677-传众专利搜索

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发明名称	Process for the production of zinc sulphate
摘要
申请公布号	US1921773(A)	申请公布日期	1933.08.08
申请号	US19300500677	申请日期	1930.12.06
申请人	ROYCE CHEMICAL COMPANY	发明人	PETSCHOW KURT J.
分类号	C01G9/06	主分类号	C01G9/06
代理机构		代理人
主权项
地址

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