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发明名称
Method of equipping wire line drums with spacing strips
摘要
申请公布号
US2633629(A)
申请公布日期
1953.04.07
申请号
US19500193461
申请日期
1950.11.01
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
CROOKSTON ROBERT R.
分类号
B66D1/36
主分类号
B66D1/36
代理机构
代理人
主权项
地址
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