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经营范围
发明名称
Broken strand indicator
摘要
申请公布号
US2579407(A)
申请公布日期
1951.12.18
申请号
US19510208856
申请日期
1951.02.01
申请人
JOHN TURNER
发明人
TURNER JOHN
分类号
B65H63/02;D01H13/32
主分类号
B65H63/02
代理机构
代理人
主权项
地址
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