Improvements in or relating to the filtration of gases,申请号GB19320030675-传众专利搜索

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发明名称	Improvements in or relating to the filtration of gases
摘要
申请公布号	GB395918(A)	申请公布日期	1933.07.27
申请号	GB19320030675	申请日期	1932.10.31
申请人	SOCIETA ITALIANA PIRELLI	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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