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发明名称
Welded excavating flight for cribbing machine chains
摘要
申请公布号
US2702951(A)
申请公布日期
1955.03.01
申请号
US19500187397
申请日期
1950.09.29
申请人
NORDBERG MANUFACTURING COMPANY
发明人
TALBOYS HENRY H.
分类号
E02F3/14
主分类号
E02F3/14
代理机构
代理人
主权项
地址
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