Synonyms were used for: Steinkohlenbergbau
Search without synonyms: keywords:("Steinkohlenbergbau")
Used synonyms:
- coal mines and mining
- hard coal mining
- steinkohlebergbau
- steinkohlenabbau
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Barrier using rock dust in paper bags
Engineering Index Backfile | 1938|Keywords: Coal mines and mining -
Coal-dust explosibility factors indicated by experimental mine investigations, 1911 to 1929
Engineering Index Backfile | 1930|Keywords: Coal mines and mining -
Coal dust explosion caused by direct electrical ignition
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Coal-dust explosions in mines caused by direct electrical ignition
Engineering Index Backfile | 1930|Keywords: Coal mines and mining -
Coal-dust explosions in mines caused by direct electrical ignition
Engineering Index Backfile | 1930|Keywords: Coal mines and mining -
Compressibility and bearing strength of coal in place: Tests of lateral compression of Pittsburgh coal bed
Engineering Index Backfile | 1933|Keywords: Coal mines and mining -
Compressibility and bearing strength of coal in place: Tests of lateral compression of Pittsburgh coal bed
Engineering Index Backfile | 1933|Keywords: Coal mines and mining -
Compressibility and bearing strength of coal in place: Tests of lateral compression of Pittsburgh coal bed
Engineering Index Backfile | 1933|Keywords: Coal mines and mining -
Concrete stoppings in coal mines for resisting explosions: detailed tests of typical stoppings and strength of coal as buttress
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Effect of changes in moisture and temperature on mine roof -- I. First report on strata overlying Pittsburgh coal bed
Engineering Index Backfile | 1941|Keywords: Coal mines and mining -
Experimental mine of United States bureau of mines
Engineering Index Backfile | 1933|Keywords: Coal mines and mining -
Experiments on strength of small pillars of coal in Pittsburgh bed
Engineering Index Backfile | 1940|Keywords: Coal mines and mining -
Experiments to determine minimum amount of coal-dust required for propagation of a mine explosion
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Experiments to determine minimum amount of coal-dust required for propagation of a mine explosion
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Experiments to determine minimum amount of coal-dust required for propagation of a mine explosion
Engineering Index Backfile | 1931|Keywords: Coal mines and mining -
Explosion tests of Pittsburgh coal dust in experimental mine 1925 to 1932, inclusive
Engineering Index Backfile | 1933|Keywords: Coal mines and mining -
Methods of sampling and analyzing coal-mine dusts for incombustible content
Engineering Index Backfile | 1940|Keywords: Coal mines and mining
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