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发明名称
Flexible indexing strip
摘要
申请公布号
US2246570(A)
申请公布日期
1941.06.24
申请号
US19400351337
申请日期
1940.08.04
申请人
BUTTERBAUGH CHARLES D
发明人
BUTTERBAUGH CHARLES D.
分类号
B42F19/00
主分类号
B42F19/00
代理机构
代理人
主权项
地址
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