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发明名称
METHOD OF AND APPARATUS FOR LAYING FILLER PIPELINES IN MINES
摘要
申请公布号
PL276136(A1)
申请公布日期
1990.06.11
申请号
PL19880276136
申请日期
1988.11.30
申请人
KOPALNIA WEGLA KAMIENNEGO CZER
发明人
KULESA KAZIMIERZ;KROLICA ZDZISLAW;MENDREK JERZY;RYKALA WALDEMAR;FELS MICHAL
分类号
E21F;E21F15/00;E21F15/10;(IPC1-7):E21F/
主分类号
E21F
代理机构
代理人
主权项
地址
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