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发明名称
ZPUSOB ZAJISTENI OBLOUKOVE VYZTUZE DLOUHYCH DULNICH DEL VUCI HORNINE A ZVYSENI JEJI UNOSNOSTI A STABILITY
摘要
申请公布号
CS8409430(A1)
申请公布日期
1986.11.13
申请号
CS19840009430
申请日期
1984.12.06
申请人
VLK JAROSLAV ING.,CS;DOMBROVSKY ZDENEK ING.,CS;RAZSKA JAN ING.,CS;JANKU PETR ING.,CS
发明人
VLK JAROSLAV ING.,CS;DOMBROVSKY ZDENEK ING.,CS;RAZSKA JAN ING.,CS;JANKU PETR ING.,CS
分类号
E21D11/24;(IPC1-7):E21D11/24
主分类号
E21D11/24
代理机构
代理人
主权项
地址
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