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经营范围
发明名称
Nautisches Schulungs- und Lehrinstrument
摘要
申请公布号
DE1014853(B)
申请公布日期
1957.08.29
申请号
DE1954C009918
申请日期
1954.09.07
申请人
COMMUNICATIONS PATENTS LIMITED
发明人
分类号
G09B9/24
主分类号
G09B9/24
代理机构
代理人
主权项
地址
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