Mine boring machine operator job safety training materials(Chinese Edition) - Brossura

FENG WEN YI , ZHANG ZHI CHUN BIAN

 
9787564630232: Mine boring machine operator job safety training materials(Chinese Edition)

Sinossi

Language:Chinese.SoftCover.Pub Date:2016-04-01.publisher:China University of Mining and Technology Press.description:Paperback. Pub Date: 2016-04-01 Pages: 307 Language: Chinese Publisher: China Mining University Press underground tunneling machine operator job safety training materials. The main contents include: coal mine safety laws and regulations. coal produ

Le informazioni nella sezione "Riassunto" possono far riferimento a edizioni diverse di questo titolo.