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发明名称
ULTRASONIC PIEZOELECTRIC TRANSDUCER CARTRIDGE
摘要
申请公布号
US3553501(A)
申请公布日期
1971.01.05
申请号
USD3553501
申请日期
1968.02.16
申请人
INTERIOR USA
发明人
RICHARD E. THILL
分类号
B06B1/06;G01N29/28;(IPC1-7):H04R17/00
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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