Underwater breathing apparatus,申请号US19620171415-传众专利搜索

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发明名称	Underwater breathing apparatus
摘要
申请公布号	US3224444(A)	申请公布日期	1965.12.21
申请号	US19620171415	申请日期	1962.02.06
申请人	DEMPSTER ROBERT J	发明人	DEMPSTER ROBERT J.
分类号	A62B9/02;B63C11/22	主分类号	A62B9/02
代理机构		代理人
主权项
地址

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