Improvements in or relating to the testing of filter materials,申请号GB19650052687-传众专利搜索

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发明名称	Improvements in or relating to the testing of filter materials
摘要
申请公布号	GB1105678(A)	申请公布日期	1968.03.13
申请号	GB19650052687	申请日期	1965.12.10
申请人	PORRITTS & SPENCER LIMITED	发明人	WILD COLIN ALFRED
分类号	G01N15/08	主分类号	G01N15/08
代理机构		代理人
主权项
地址

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