Emergency oxygen supply system,申请号US19520275395-传众专利搜索

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发明名称	Emergency oxygen supply system
摘要
申请公布号	US2813690(A)	申请公布日期	1957.11.19
申请号	US19520275395	申请日期	1952.03.07
申请人	BENDIX AVIATION CORPORATION	发明人	HOLMES BRADFORD B.
分类号	A62B7/02;A62B7/14	主分类号	A62B7/02
代理机构		代理人
主权项
地址

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