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经营范围
发明名称
Improvements in or relating to light beam indicating apparatus
摘要
申请公布号
GB626642(A)
申请公布日期
1949.07.19
申请号
GB19460015652
申请日期
1946.05.23
申请人
STANDARD TELEPHONES AND CABLES LIMITED;WILLIAM FRANCIS HERBERT GILLETT
发明人
分类号
G01D7/06
主分类号
G01D7/06
代理机构
代理人
主权项
地址
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