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发明名称
Improvements in or relating to watchmen's control systems
摘要
申请公布号
GB648458(A)
申请公布日期
1951.01.03
申请号
GB19480001799
申请日期
1948.01.21
申请人
EDWARD SHIPTON
发明人
分类号
G07C1/20;G08B21/00
主分类号
G07C1/20
代理机构
代理人
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