Synonyms were used for:
Bergbau
Search without synonyms:
keywords:(Bergbau)
Linie pradu w przypadku plaskiego ruchu piasku
Mule-back transportation of sectionalized machinery
Mineral resources on Kansas City, Mexico and Orient railway
Magmatic segregation in its relation to the genesis of certain ore-bodies
An automatic signal system for crossovers on underground railways operated by electric locomotives
The introduction of automobiles for mining work
A means of securing main haulage roads and return airways of a mine otherwise than with timber