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发明名称
Cutterhead
摘要
申请公布号
US2379347(A)
申请公布日期
1945.06.26
申请号
US19410422372
申请日期
1941.12.10
申请人
JOHN FIEDLER
发明人
FIEDLER JOHN
分类号
B23B29/30;B23Q16/04
主分类号
B23B29/30
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代理人
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