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经营范围
发明名称
Improvements in or relating to visual position-indicating arrangements
摘要
申请公布号
GB849568(A)
申请公布日期
1960.09.28
申请号
GB19570039763
申请日期
1957.12.20
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
FERGUSON HAROLD MATTHEW;STTEVENS WALTER ROBERT;SAGAR ALAN JOHN ALFRED
分类号
B64F1/20
主分类号
B64F1/20
代理机构
代理人
主权项
地址
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