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YU40473B - Universal hydraulic pit support fr the excavation of thick layers of coal - Google Patents

Universal hydraulic pit support fr the excavation of thick layers of coal

Info

Publication number
YU40473B
YU40473B YU77677A YU77677A YU40473B YU 40473 B YU40473 B YU 40473B YU 77677 A YU77677 A YU 77677A YU 77677 A YU77677 A YU 77677A YU 40473 B YU40473 B YU 40473B
Authority
YU
Yugoslavia
Prior art keywords
excavation
coal
thick layers
pit support
universal hydraulic
Prior art date
Application number
YU77677A
Other versions
YU77677A (en
Inventor
M Osmanagic
A Ciric
T Marinovic
R Pilipovic
M Djokic
L Zigic
Original Assignee
Somanagic Muris
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 Somanagic Muris filed Critical Somanagic Muris
Priority to YU77677A priority Critical patent/YU40473B/en
Priority to DE19772758242 priority patent/DE2758242A1/en
Publication of YU77677A publication Critical patent/YU77677A/en
Publication of YU40473B publication Critical patent/YU40473B/en

Links

YU77677A 1977-03-23 1977-03-23 Universal hydraulic pit support fr the excavation of thick layers of coal YU40473B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
YU77677A YU40473B (en) 1977-03-23 1977-03-23 Universal hydraulic pit support fr the excavation of thick layers of coal
DE19772758242 DE2758242A1 (en) 1977-03-23 1977-12-27 Mine shield chock with two legs - has additional shields at face and waste with diagonal leg for main canopy support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU77677A YU40473B (en) 1977-03-23 1977-03-23 Universal hydraulic pit support fr the excavation of thick layers of coal

Publications (2)

Publication Number Publication Date
YU77677A YU77677A (en) 1982-05-31
YU40473B true YU40473B (en) 1986-02-28

Family

ID=25551392

Family Applications (1)

Application Number Title Priority Date Filing Date
YU77677A YU40473B (en) 1977-03-23 1977-03-23 Universal hydraulic pit support fr the excavation of thick layers of coal

Country Status (1)

Country Link
YU (1) YU40473B (en)

Also Published As

Publication number Publication date
YU77677A (en) 1982-05-31

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