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经营范围
发明名称
SURVEY SYSTEMS
摘要
申请公布号
GB1528691(A)
申请公布日期
1978.10.18
申请号
GB19760004731
申请日期
1977.05.06
申请人
COAL IND LTD
发明人
分类号
G01S3/782;G01S5/16;(IPC1-7):G01S3/78
主分类号
G01S3/782
代理机构
代理人
主权项
地址
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