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发明名称
Hartmetallbestückte Bohrkrone
摘要
申请公布号
AT262916(B)
申请公布日期
1968.07.10
申请号
AT19660004687
申请日期
1966.05.18
申请人
ECKART CRONJAEGER
发明人
ECKART CRONJAEGER
分类号
E21C
主分类号
E21C
代理机构
代理人
主权项
地址
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