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经营范围
发明名称
Improvements in or relating to micrometer gauges
摘要
申请公布号
GB544518(A)
申请公布日期
1942.04.16
申请号
GB19410000081
申请日期
1941.01.02
申请人
JOHN WILLIAM TODD
发明人
分类号
G01B3/18
主分类号
G01B3/18
代理机构
代理人
主权项
地址
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