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经营范围
发明名称
Apparatus for measuring rotational speeds or velocities
摘要
申请公布号
GB784263(A)
申请公布日期
1957.10.09
申请号
GB19550024819
申请日期
1955.08.30
申请人
WERNER WAHLI
发明人
分类号
G01P3/28
主分类号
G01P3/28
代理机构
代理人
主权项
地址
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