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发明名称
Method for measuring the straightness of coal wall and apparatus for implementing this method
摘要
申请公布号
PL389536(A1)
申请公布日期
2011.05.23
申请号
PL20090389536
申请日期
2009.11.12
申请人
PO&SACUTE,PIECH DARIUSZ
发明人
PO&SACUTE,PIECH DARIUSZ
分类号
G01C9/00;E21B47/02;E21B49/00
主分类号
G01C9/00
代理机构
代理人
主权项
地址
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