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经营范围
发明名称
Appareil avertisseur.
摘要
申请公布号
CH309972(A)
申请公布日期
1955.09.30
申请号
CHD309972
申请日期
1953.08.05
申请人
BAUMGARTNER FRERES S. A.
发明人
A. BAUMGARTNER FRERES S.
分类号
G04B37/14
主分类号
G04B37/14
代理机构
代理人
主权项
地址
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