rigger (technician)(Chinese Edition) - Brossura

LUO DING DUAN , LV JIA BIN

 
9787111193913: rigger (technician)(Chinese Edition)

Sinossi

Language:Chinese.Soft cover.publisher:Machine Press Pub. Date :2006-08-01.description:Paperback. Pages Number: 232 Publisher: China Machine Press Pub. Date: 2006-08-01. crane workers (technicians) is based on national occupational standards crane engineer knowledge requirements and skill requirements. according to the principles of jo

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