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发明名称
Improvements in surface gaugues
摘要
申请公布号
GB570574(A)
申请公布日期
1945.07.12
申请号
GB19430005405
申请日期
1943.04.05
申请人
GEORGE PATRICK DUFF;ROBERT PATRICK DUFF;ARTHUR JOHN DUFF
发明人
分类号
G01B5/00
主分类号
G01B5/00
代理机构
代理人
主权项
地址
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