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经营范围
发明名称
LJUDGENERATOR
摘要
The broad end of a horn (8) of a sounder, which is operated by an asynchronous motor (1), is shaped essentially rectangularly, in order to avoid thereby losses in the sound energy at extremely low temperatures. <IMAGE>
申请公布号
SE466174(B)
申请公布日期
1992.01.07
申请号
SE19870000400
申请日期
1987.02.03
申请人
PRODEO AB
发明人
M * MORITZ
分类号
G10K7/04;G10K11/02
主分类号
G10K7/04
代理机构
代理人
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地址
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