SRPS B.M2.491:1979
Support of mine openings. Yielding roadway circular shaped arch with one-way roadways without locomotive haulage
Oct 6, 1979
Oct 6, 1979
95.99
Withdrawal of Standard
General information
95.99
ISS
B082
Pure national standard
Serbian
Life cycle
NOW
WITHDRAWN
SRPS B.M2.491:1979
95.99
Withdrawal of Standard