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发明名称
Rotary cutter
摘要
申请公布号
US2257169(A)
申请公布日期
1941.09.30
申请号
US19390298175
申请日期
1939.10.06
申请人
HOPPS EARL H
发明人
HOPPS EARL H.
分类号
B23C5/22
主分类号
B23C5/22
代理机构
代理人
主权项
地址
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