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发明名称
Mechanical spread corrector with variable velocity function
摘要
申请公布号
US3209319(A)
申请公布日期
1965.09.28
申请号
US19610138351
申请日期
1961.09.15
申请人
ESSO PRODUCTION RESEARCH COMPANY
发明人
LYNN RALPH D.
分类号
G01V1/36
主分类号
G01V1/36
代理机构
代理人
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地址
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