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经营范围
发明名称
A balance assemblage in timepieces
摘要
申请公布号
GB659254(A)
申请公布日期
1951.10.17
申请号
GB19490018420
申请日期
1949.07.12
申请人
ERNEST MORF
发明人
分类号
G04B31/04
主分类号
G04B31/04
代理机构
代理人
主权项
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