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经营范围
发明名称
MINING MACHINE WORKING MEMBER
摘要
申请公布号
SU1266476(A3)
申请公布日期
1986.10.23
申请号
SU19792827301
申请日期
1979.10.05
申请人
FOEST-ALPINE AG (FIRMA)
发明人
ALFRED TSITTS,AT;OTTO SHETINA,AT;KHERVIG VRULIKH,AT
分类号
E21D9/10;E21B19/24;E21C35/187;E21C35/22
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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