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经营范围
发明名称
Function generator
摘要
申请公布号
US3215929(A)
申请公布日期
1965.11.02
申请号
US19620233277
申请日期
1962.10.26
申请人
ESSO PRODUCTION RESEARCH COMPANY
发明人
CRAWFORD THOMAS H.;EHRLICH BENJAMIN F.;ORDING JAMES R.
分类号
G01V1/24;G06G7/26
主分类号
G01V1/24
代理机构
代理人
主权项
地址
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