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发明名称
Seismometer case cover
摘要
申请公布号
US2477172(A)
申请公布日期
1949.07.26
申请号
US19480006577
申请日期
1948.02.06
申请人
PHILLIPS PETROLEUM COMPANY
发明人
BROWNLOW CECIL L.
分类号
G01V1/16
主分类号
G01V1/16
代理机构
代理人
主权项
地址
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