PL280371A1 - Hydraulic apparatus for drilling blast-holes - Google Patents

Hydraulic apparatus for drilling blast-holes

Info

Publication number
PL280371A1
PL280371A1 PL28037189A PL28037189A PL280371A1 PL 280371 A1 PL280371 A1 PL 280371A1 PL 28037189 A PL28037189 A PL 28037189A PL 28037189 A PL28037189 A PL 28037189A PL 280371 A1 PL280371 A1 PL 280371A1
Authority
PL
Poland
Prior art keywords
holes
hydraulic apparatus
drilling blast
blast
drilling
Prior art date
Application number
PL28037189A
Inventor
Jerzy Strzempek
Henryk Konieczko
Stanislaw Grzywa
Jan Botor
Antoni Wolf
Original Assignee
Przed Eksploatacji Wegla Wscho
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 by Przed Eksploatacji Wegla Wscho filed Critical Przed Eksploatacji Wegla Wscho
Priority to PL28037189A priority Critical patent/PL280371A1/en
Publication of PL280371A1 publication Critical patent/PL280371A1/en

Links

PL28037189A 1989-06-30 1989-06-30 Hydraulic apparatus for drilling blast-holes PL280371A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL28037189A PL280371A1 (en) 1989-06-30 1989-06-30 Hydraulic apparatus for drilling blast-holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL28037189A PL280371A1 (en) 1989-06-30 1989-06-30 Hydraulic apparatus for drilling blast-holes

Publications (1)

Publication Number Publication Date
PL280371A1 true PL280371A1 (en) 1991-01-14

Family

ID=20047824

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28037189A PL280371A1 (en) 1989-06-30 1989-06-30 Hydraulic apparatus for drilling blast-holes

Country Status (1)

Country Link
PL (1) PL280371A1 (en)

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