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发明名称
Pipe thread protector
摘要
申请公布号
US2141381(A)
申请公布日期
1938.12.27
申请号
US19370126183
申请日期
1937.02.17
申请人
THE NATIONAL SUPPLY COMPANY
发明人
ENGSTROM BIRGER
分类号
B65D59/06
主分类号
B65D59/06
代理机构
代理人
主权项
地址
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