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发明名称
Improvements in and relating to illuminated mimic diagrams
摘要
申请公布号
GB541809(A)
申请公布日期
1941.12.12
申请号
GB19400010109
申请日期
1940.06.10
申请人
JOHN GRAY;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
发明人
分类号
B61L25/08
主分类号
B61L25/08
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地址
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