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发明名称
MEISSELHALTER, SOWIE VERFAHREN ZU SEINER HERSTELLUNG
摘要
申请公布号
ATA307582(A)
申请公布日期
1983.09.15
申请号
AT19820003075
申请日期
1982.08.11
申请人
VOEST-ALPINE AKTIENGESELLSCHAFT
发明人
分类号
E21C35/18;(IPC1-7):E21C25/38
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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