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经营范围
发明名称
Tools for ultrasonic cutting
摘要
申请公布号
US2774193(A)
申请公布日期
1956.12.18
申请号
US19550539405
申请日期
1955.10.10
申请人
THATCHER
发明人
THATCHER CHARLES J.;CARLIN BENSON
分类号
B24B1/04
主分类号
B24B1/04
代理机构
代理人
主权项
地址
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