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发明名称
Gehaeuse fuer durch Membran betaetigte Signalhoerner
摘要
申请公布号
DE873964(C)
申请公布日期
1953.04.20
申请号
DE1943W000399D
申请日期
1943.10.19
申请人
WESTFAELISCHE METALL-INDUSTRIE G.M.B.H.
发明人
KRAEMER GUSTAV
分类号
G10K9/22
主分类号
G10K9/22
代理机构
代理人
主权项
地址
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