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发明名称
Seismic equipment
摘要
申请公布号
US2990535(A)
申请公布日期
1961.06.27
申请号
US19560624351
申请日期
1956.11.26
申请人
CLEVITE CORPORATION
发明人
PARKINSON DAVID B.;ROBERTS WEBSTER C.;HANER LAMBERT;LEPLEY ALLEN EDWIN
分类号
G01V1/36
主分类号
G01V1/36
代理机构
代理人
主权项
地址
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