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经营范围
发明名称
Improvements in or relating to synchronous motor electric clocks and the like
摘要
申请公布号
GB609562(A)
申请公布日期
1948.10.04
申请号
GB19460008204
申请日期
1946.03.16
申请人
THOMAS ARTHUR BROWN;PERIVALE CLOCK MANUFACTURING COMPANY LIMITED
发明人
分类号
G04C15/00
主分类号
G04C15/00
代理机构
代理人
主权项
地址
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