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经营范围
发明名称
Direct reading, visual index forming, intersection pattern thread and line counter
摘要
申请公布号
US2817266(A)
申请公布日期
1957.12.24
申请号
US19540422898
申请日期
1954.04.13
申请人
ALBERT GELARDIN
发明人
GELARDIN ALBERT
分类号
G01B3/02
主分类号
G01B3/02
代理机构
代理人
主权项
地址
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