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发明名称
ULTRASONIC SYSTEMS
摘要
申请公布号
GB2233576(B)
申请公布日期
1993.04.14
申请号
GB19900012068
申请日期
1990.05.30
申请人
* NATIONAL RESEARCH DEVELOPMENT CORPORATION;* BRITISH TECHNOLOGY GROUP LIMITED
发明人
CORNELIUS JOHN * SCHRAM
分类号
B01D21/00;B01D43/00;B01J19/10;B06B1/00;B06B1/02;G10K15/00
主分类号
B01D21/00
代理机构
代理人
主权项
地址
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