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发明名称
CIRCUIT ARRANGEMENT FOR TRANSMITTING REFERENCE SIGNAL AT THE APPLICATION OF THE SEISMIC PULSE SOURCES IN GROUPS
摘要
申请公布号
HU190720(B)
申请公布日期
1986.10.28
申请号
HU19830001750
申请日期
1983.05.18
申请人
VEB GEOPHYSIK,DD
发明人
FORTAGNE,UTO,DD
分类号
G01V1/22;G01V1/26;(IPC1-7):G01V1/22
主分类号
G01V1/22
代理机构
代理人
主权项
地址
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