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发明名称
Improvements in light-sensitive control apparatus
摘要
申请公布号
GB490759(A)
申请公布日期
1938.08.22
申请号
GB19370005166
申请日期
1937.02.20
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED;MERREL OMER WILLIAMS
发明人
分类号
G08G1/04
主分类号
G08G1/04
代理机构
代理人
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