Closed-circuit positive pressure breathing apparatus with pneumatically operated storage chamber,申请号US19880253710-传众专利搜索

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发明名称	Closed-circuit positive pressure breathing apparatus with pneumatically operated storage chamber
摘要
申请公布号	US4928685(A)	申请公布日期	1990.05.29
申请号	US19880253710	申请日期	1988.10.05
申请人	CAIRNS & BROTHER INC.	发明人	GRAY, ROBERT E.
分类号	A62B7/10	主分类号	A62B7/10
代理机构		代理人
主权项
地址

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