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发明名称
Schallerzeuger nach Sirenenart
摘要
申请公布号
DE812051(C)
申请公布日期
1951.08.27
申请号
DE1949A000179
申请日期
1949.11.01
申请人
ATLAS-WERKE A. G.
发明人
KUNZE WILLY DR.
分类号
G10K7/00
主分类号
G10K7/00
代理机构
代理人
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地址
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