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经营范围
发明名称
Improvements in or relating to signalling apparatus for the control of road traffic
摘要
申请公布号
GB345209(A)
申请公布日期
1931.03.13
申请号
GB19290038230
申请日期
1929.12.13
申请人
STANDARD TELEPHONES AND CABLES, LIMITED;WILLIAM RUSSELL DAVIS
发明人
分类号
G08G1/082
主分类号
G08G1/082
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代理人
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