Exhalation valve for diving suits,申请号US19510224292-传众专利搜索

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发明名称	Exhalation valve for diving suits
摘要
申请公布号	US2693180(A)	申请公布日期	1954.11.02
申请号	US19510224292	申请日期	1951.05.03
申请人	ROBERTO GALEAZZI	发明人	GALEAZZI ROBERTO
分类号	B63C11/22;F16K15/14	主分类号	B63C11/22
代理机构		代理人
主权项
地址

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