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发明名称
VORRICHTUNG ZUM ERZEUGEN EINER SEISMISCHEN WELLE IN DER ERDE
摘要
申请公布号
DE3706722(A1)
申请公布日期
1987.09.10
申请号
DE19873706722
申请日期
1987.03.02
申请人
ATLANTIC RICHFIELD CO.
发明人
P. AIRHART,TOM
分类号
G01V1/147;(IPC1-7):G01V1/155
主分类号
G01V1/147
代理机构
代理人
主权项
地址
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