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发明名称
SISTEMA DI COMUNICAZIONI E DI SICUREZZA AD ULTRASUONI
摘要
申请公布号
IT8149199(D0)
申请公布日期
1981.08.28
申请号
IT19810049199
申请日期
1981.08.28
申请人
ULTRAK INC.
发明人
KENNETH R.HACKETT
分类号
G08B25/00;G08B1/00;G08B1/08;G08B26/00;H04B11/00;(IPC1-7):H03K/
主分类号
G08B25/00
代理机构
代理人
主权项
地址
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