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发明名称
Submersible seismometer system
摘要
申请公布号
US2449085(A)
申请公布日期
1948.09.14
申请号
US19440567891
申请日期
1944.12.12
申请人
UNITED GEOPHYSICAL COMPANY, INC.
发明人
PETERSON RAYMOND A.
分类号
G01V1/38
主分类号
G01V1/38
代理机构
代理人
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地址
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