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发明名称
Improvements in apparatus for examining threads visually for defects
摘要
申请公布号
GB647964(A)
申请公布日期
1950.12.28
申请号
GB19470024738
申请日期
1947.09.09
申请人
JEAN-PAUL LAETSCH;PAUL LITTY
发明人
分类号
D06H3/02
主分类号
D06H3/02
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代理人
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