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发明名称
摘要
申请公布号
DE2150228(B2)
申请公布日期
1979.08.02
申请号
DE19712150228
申请日期
1971.10.08
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA, 4670 LUENEN
发明人
STEINKUHL, BERND, 4670 LUENEN;HAUSCHOPP, ALOIS, 4712 WERNE;BREUER, OSWALD, 4600 DORTMUND;OSTROP, BERTHOLD, 4714 SELM
分类号
E21C35/12;(IPC1-7):E21C35/12
主分类号
E21C35/12
代理机构
代理人
主权项
地址
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