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发明名称
Annunciator construction
摘要
申请公布号
US2087576(A)
申请公布日期
1937.07.20
申请号
US19320597133
申请日期
1932.03.07
申请人
EDWARDS AND COMPANY, INC.
发明人
MILLER CHRISTIAN
分类号
G08B5/28
主分类号
G08B5/28
代理机构
代理人
主权项
地址
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