What e-books are used by chemical inspection technicians?

Chemical Inspector (Technician, Senior Technician) 2nd Edition, Vocational Skills Appraisal Training Course Chemical Inspector Series: Chemical Inspector Technician.

1, Chemical Inspector (Technician, Senior Technician) 2nd Edition is a book published by Machinery Industry Press on July 20 15. The writer is Ji Jianbo.

2. The Training Course of Vocational Skills Appraisal Chemical Technician Series: Chemical Technician is a book published by Chemical Industry Press in 2008. The writer is Yuan Jiang, the guidance center for vocational skill appraisal in chemical industry.

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