Breathing apparatus for diving,申请号US19510230747-传众专利搜索

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法人/股东/高管

发明名称	Breathing apparatus for diving
摘要
申请公布号	US2792831(A)	申请公布日期	1957.05.21
申请号	US19510230747	申请日期	1951.06.09
申请人	LA SPIROTECHNIQUE	发明人	GAGNAN EMILE
分类号	B63C11/22	主分类号	B63C11/22
代理机构		代理人
主权项
地址

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