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发明名称
Improvements in or relating to instruments for tracing circles
摘要
申请公布号
GB943824(A)
申请公布日期
1963.12.04
申请号
GB19620026946
申请日期
1962.07.13
申请人
ETABLISSEMENTS QUENOT & CIE
发明人
分类号
G01B3/10
主分类号
G01B3/10
代理机构
代理人
主权项
地址
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