List of certified electrical apparatus, certified fire-resistant conveyor belting and certified diesel engines for coal mine use
By: G.K. Brown.
Contributors: Canada. Mines Branch.
Series: Information circular -- IC 131; Information circular (Canada. Mines Branch) -- 131
Publisher: Dept. of Mines and Technical Surveys, Mines Branch
Published: 1961
Place of publication: Ottawa
Language: eng
Number of pages: 16
Subjects: Coal mines and mining -- Equipment and supplies.; Coal mines and mining -- Electric equipment.
Notes: Cover title.