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发明名称
Auger saw
摘要
申请公布号
US2238578(A)
申请公布日期
1941.04.15
申请号
US19400322526
申请日期
1940.03.06
申请人
BURKEMAN AXEL H
发明人
BURKEMAN AXEL H.
分类号
B23D51/01;B23D59/00;B23D61/00;B27C1/00
主分类号
B23D51/01
代理机构
代理人
主权项
地址
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