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发明名称
MINING HEAD FOR A MECHANICAL COAL MINER OF LONGWALL TYPE
摘要
申请公布号
PL255438(A1)
申请公布日期
1987.03.23
申请号
PL19850255438
申请日期
1985.09.19
申请人
KOPALNIA WEGLA KAMIENNEGO BORY
发明人
MYRCZEK JAN;PIOSECZNY NORBERT;JOSKO RAJMUND;FELS MICHAL;FRANCZAK KAZIMIERZ;ORCHEL STANISLAW;BARYCKI MAREK
分类号
E21C;E21C25/10;(IPC1-7):E21C/
主分类号
E21C
代理机构
代理人
主权项
地址
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