New perlite filter aids and method of preparing them,申请号GB19620019589-传众专利搜索

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发明名称	New perlite filter aids and method of preparing them
摘要
申请公布号	GB945852(A)	申请公布日期	1964.01.08
申请号	GB19620019589	申请日期	1962.05.22
申请人	JOHNS-MANVILLE CORPORATION	发明人
分类号	B01D39/06;B01J20/10;C04B18/02	主分类号	B01D39/06
代理机构		代理人
主权项
地址

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