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发明名称
Электродинамический сейсмограф с электромагнитным затуханием
摘要
申请公布号
SU99120(A1)
申请公布日期
1953.11.30
申请号
SU19530448508
申请日期
1953.02.27
申请人
KOROLEV V.D.
发明人
KOROLEV V.D.
分类号
G01V1/18
主分类号
G01V1/18
代理机构
代理人
主权项
地址
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