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发明名称
TRANVERSE ELLIPSE AND TAPERED SHANK AND TOOTH FOR EARTH WORKING IMPLEMENTS
摘要
申请公布号
CA613418(A)
申请公布日期
1961.01.31
申请号
CAD613418
申请日期
申请人
GERALD A. M. PETERSEN
发明人
GERALD A. M. PETERSEN
分类号
主分类号
代理机构
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