High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means,申请号US19780921483-传众专利搜索

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法人/股东/高管

发明名称	High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means
摘要
申请公布号	USRE30620(E)	申请公布日期	1981.05.19
申请号	US19780921483	申请日期	1978.07.03
申请人		发明人
分类号	G08B17/06;G08B17/11	主分类号	G08B17/06
代理机构		代理人
主权项
地址

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