有害生物防制员（初级） - Tapa blanda

Pest Control Officer (Elementary)(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2007 07 Pages: 210 Language: Chinese in Publisher: China Labor and Social Security Publishing House pest control members (primary) according to the requirements of the National Occupational Standards - pest control officer by the principle of convergence of the China Employment Training Technical Instruction Center in accordance with the standards. textbooks. exam prepared by the Organization of Occupational Skill Testing recommended counseling books. Pest control members. Nº de ref. del artículo: CB029568

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