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发明名称
Transducer
摘要
申请公布号
US2638577(A)
申请公布日期
1953.05.12
申请号
US19490127437
申请日期
1949.11.15
申请人
THE HARRIS TRANSDUCER CORPORATION
发明人
HARRIS WILBUR THOMAS
分类号
B06B1/06;B06B1/08
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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