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发明名称
Ultrasonic tool
摘要
申请公布号
US3154890(A)
申请公布日期
1964.11.03
申请号
US19610102751
申请日期
1961.04.13
申请人
LEMELSON JEROME H
发明人
LEMELSON JEROME H.
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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