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经营范围
发明名称
DRZAK NOZE A ZPUSOB JEHO VYROBY
摘要
申请公布号
CS8305852(A2)
申请公布日期
1985.06.13
申请号
CS19830005852
申请日期
1983.08.08
申请人
VOEST ALPINE AKTIENGESELLSCHAFT
发明人
BLUMAUER JOHANNES ING.;AUGUSTIN HUBERT ING.
分类号
E21C35/18;(IPC1-7):E21C25/10
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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