Improvements in respirators and the like,申请号GB19360001529-传众专利搜索

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发明名称	Improvements in respirators and the like
摘要
申请公布号	GB470850(A)	申请公布日期	1937.08.17
申请号	GB19360001529	申请日期	1936.01.17
申请人	JOHN AMBROSE SADD	发明人
分类号	A62B23/02	主分类号	A62B23/02
代理机构		代理人
主权项
地址

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