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经营范围
发明名称
FACILITY FOR CATCHING FALLING OBJECTS IN THE PIT WORKS
摘要
申请公布号
CS218477(B1)
申请公布日期
1983.02.25
申请号
CS19810005514
申请日期
1981.07.20
申请人
SINDEL,JAROSLAV,CS;PRYMUS,EMIL,CS;WINKLER,RUDOLF,CS;ZVACEK,ILJA,CS
发明人
SINDEL,JAROSLAV,CS;PRYMUS,EMIL,CS;WINKLER,RUDOLF,CS;ZVACEK,ILJA,CS
分类号
E21D1/00;E21D19/00;(IPC1-7):E21D19/00
主分类号
E21D1/00
代理机构
代理人
主权项
地址
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