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经营范围
发明名称
Elastic wave generator
摘要
申请公布号
US3169509(A)
申请公布日期
1965.02.16
申请号
US19630271441
申请日期
1963.04.08
申请人
NORTHERN INDUSTRIES, INC.
发明人
RICH STANLEY R.
分类号
G10K5/00;G10K5/02
主分类号
G10K5/00
代理机构
代理人
主权项
地址
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