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SU422845A1 - - Google Patents

Info

Publication number
SU422845A1
SU422845A1 SU1786545A SU1786545A SU422845A1 SU 422845 A1 SU422845 A1 SU 422845A1 SU 1786545 A SU1786545 A SU 1786545A SU 1786545 A SU1786545 A SU 1786545A SU 422845 A1 SU422845 A1 SU 422845A1
Authority
SU
USSR - Soviet Union
Prior art keywords
ffij
coal
drilling
Prior art date
Application number
SU1786545A
Other languages
Russian (ru)
Inventor
В. Ф. Васильченко Л. М. Хныкин Горловский филиал Донецкого политехнического института И. И. Кулишенко
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 SU1786545A priority Critical patent/SU422845A1/ru
Application granted granted Critical
Publication of SU422845A1 publication Critical patent/SU422845A1/ru

Links

Landscapes

  • Paper (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

(54) УСТРОЙСТВО ДЛЯ БУРЕНИЯ ПО УГЛЮ(54) DEVICE FOR DRILLING ON COAL

ПЧ о ii -ffij fIF about ii -ffij f

. ;д ui: ui;j:n. ; d ui: ui; j: n

SU1786545A 1972-05-22 1972-05-22 SU422845A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1786545A SU422845A1 (en) 1972-05-22 1972-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1786545A SU422845A1 (en) 1972-05-22 1972-05-22

Publications (1)

Publication Number Publication Date
SU422845A1 true SU422845A1 (en) 1974-04-05

Family

ID=20514772

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1786545A SU422845A1 (en) 1972-05-22 1972-05-22

Country Status (1)

Country Link
SU (1) SU422845A1 (en)

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