PL267486A1 - Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping - Google Patents

Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping

Info

Publication number
PL267486A1
PL267486A1 PL26748687A PL26748687A PL267486A1 PL 267486 A1 PL267486 A1 PL 267486A1 PL 26748687 A PL26748687 A PL 26748687A PL 26748687 A PL26748687 A PL 26748687A PL 267486 A1 PL267486 A1 PL 267486A1
Authority
PL
Poland
Prior art keywords
crumping
squeal
mines
gas
case
Prior art date
Application number
PL26748687A
Other versions
PL151847B1 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to PL26748687A priority Critical patent/PL151847B1/en
Publication of PL267486A1 publication Critical patent/PL267486A1/en
Publication of PL151847B1 publication Critical patent/PL151847B1/en

Links

PL26748687A 1987-08-25 1987-08-25 Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping PL151847B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL26748687A PL151847B1 (en) 1987-08-25 1987-08-25 Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL26748687A PL151847B1 (en) 1987-08-25 1987-08-25 Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping

Publications (2)

Publication Number Publication Date
PL267486A1 true PL267486A1 (en) 1989-03-06
PL151847B1 PL151847B1 (en) 1990-10-31

Family

ID=20037876

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26748687A PL151847B1 (en) 1987-08-25 1987-08-25 Electric system for automated switching off power electric networks in mines in case of gas squeal or crumping

Country Status (1)

Country Link
PL (1) PL151847B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL228634B1 (en) 2014-10-30 2018-04-30 Inst Technik Innowacyjnych Emag Method and the system for detecting and minimising methane hazard within the excavation longwall area

Also Published As

Publication number Publication date
PL151847B1 (en) 1990-10-31

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