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经营范围
发明名称
Vector summating device
摘要
申请公布号
GB777311(A)
申请公布日期
1957.06.19
申请号
GB19550027923
申请日期
1955.09.30
申请人
LANDIS & GYR A.G.
发明人
分类号
G01R11/48
主分类号
G01R11/48
代理机构
代理人
主权项
地址
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