ZHONG GUO SHI YOU TIAN RAN QI JI TUAN GONG SI REN SHI FU WU ZHONG XIN ZHONG GUO SHI YOU HUA GONG JI TUAN GONG SI REN SHI BU books & textbook
butadiene plant operator(Chinese Edition)
China Petrochemical Press Pub. Date :2007-09 /2000-01-01 Paperback
isbn-10: 7802294231 / isbn-13: 9787802294233
steam (coal. diesel) oil hydrogenation plant operator(Chinese Edition)
China Petrochemical Press Pub. Date :2007-05 /2000-01-01 Paperback
isbn-10: 7802293200 / isbn-13: 9787802293205
Filling Barrel operator(Chinese Edition)
China Petrochemical Press Pub. Date :2009-12 /2000-01-01 Paperback
isbn-10: 751140149X / isbn-13: 9787511401496
