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发明名称
Device for measuring of methane concentration in the underground workings
摘要
申请公布号
PL117620(U1)
申请公布日期
2010.02.01
申请号
PL20080117620U
申请日期
2008.07.31
申请人
ZAK&LSTROK,AD ELEKTRONIKI GORNICZEJ ZEG S.A.
发明人
BYWALEC ANDRZEJ;KRZYSTOLIK MIROS&LSTROK,AW;KALINOWSKI RYSZARD;&SACUTE,WIERGOT FRANCISZEK;MENDRELLA TOMASZ;DZIURZY&NACUTE,SKI WAC&LSTROK,AW;KRUCZKOWSKI JANUSZ
分类号
E21F17/18;G01N33/00
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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