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发明名称
URZADZENIE DO AUTOMATYCZNEJ SYGNALIZACJI ZMIAN ODLEGLOSCI PIONOWEJ MIEDZY STEPKA A ZALOZONA GLEBOKOSCIA
摘要
申请公布号
PL98266(B1)
申请公布日期
1978.04.29
申请号
PL19750186124
申请日期
1975.12.30
申请人
发明人
分类号
G01S7/28;(IPC1-7):G01S7/28
主分类号
G01S7/28
代理机构
代理人
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地址
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