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经营范围
发明名称
EMERGENCY TRANSMITTER POWER SUPPLY
摘要
申请公布号
US3621398(A)
申请公布日期
1971.11.16
申请号
USD3621398
申请日期
1969.10.30
申请人
SOLID STATE TECHNOLOGY INC.
发明人
JOHN GEORGE WILLIA
分类号
G08B25/12;H04B1/034;(IPC1-7):H04B1/02
主分类号
G08B25/12
代理机构
代理人
主权项
地址
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