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经营范围
发明名称
FREMGANGSMAATE OG ANORDNING FOR MAALING AV SKRAAVINKLER ELLER VINKELENDRINGER I GRUSHAUGER E.L.
摘要
申请公布号
NO811279(A)
申请公布日期
1981.10.15
申请号
NO19810001279
申请日期
1981.04.13
申请人
MAIHAK AG, H.,
发明人
DREYER, HELMUT,;MOELLER, RUDOLF,
分类号
E21B47/022;G01C9/12;(IPC1-7):G01C/
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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