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发明名称
ACOUSTICAL TRANSDUCER WITH ROTARY PULSE COUPLER
摘要
申请公布号
US3714817(A)
申请公布日期
1973.02.06
申请号
USD3714817
申请日期
1970.09.28
申请人
NORTH AMERICAN ROCKWELL CORP,US
发明人
MILLER D,US
分类号
B06B1/06;(IPC1-7):G01N29/00
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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