Pressure alarm for scuba diving apparatus,申请号US19610087841-传众专利搜索

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发明名称	Pressure alarm for scuba diving apparatus
摘要
申请公布号	US3119990(A)	申请公布日期	1964.01.28
申请号	US19610087841	申请日期	1961.02.08
申请人	DIVING EQUIPMENT AND SUPPLY CO.	发明人	WARTH WILLIAM C.
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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