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经营范围
发明名称
An improved screw thread or like gauge
摘要
申请公布号
GB566981(A)
申请公布日期
1945.01.23
申请号
GB19430005796
申请日期
1943.04.12
申请人
ALBERT HENRY WILLIAMS
发明人
分类号
G01B3/40
主分类号
G01B3/40
代理机构
代理人
主权项
地址
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