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发明名称
Ladder web with different colored bands
摘要
申请公布号
US2348170(A)
申请公布日期
1944.05.02
申请号
US19410404112
申请日期
1941.07.26
申请人
THOMAS FRENCH & SONS, LTD.
发明人
GIBBONS EDWIN J.
分类号
D03D1/08
主分类号
D03D1/08
代理机构
代理人
主权项
地址
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