Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Language:Chinese.Pages Number: 231 Publisher: China Labor and Social Security Pub. Date :2011-08-01 version 1. Tractor assembly workers (intermediate advanced machinery industry-specific occupational skills training identified national occupational materials) from the Machinery Industry Occupational Skill Testing Center . Human Resources and Social Security Office jointly organize the preparation of teaching materials. the machinery industry-specific occupational skills training identified Na. Codice articolo LG3310
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