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发明名称
STRONG MOTION RECORDER USING VELOCITY GEOPHONE
摘要
申请公布号
US3506957(A)
申请公布日期
1970.04.14
申请号
USD3506957
申请日期
1968.06.28
申请人
DRESSER IND. INC.
发明人
THOMAS M. DAVISON
分类号
G01V1/24;(IPC1-7):G01V1/20;G01V1/28
主分类号
G01V1/24
代理机构
代理人
主权项
地址
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