[email protected]

HeNan, China

  1. Home
  2.  > Industrial Crushing Screening Ppt

Industrial Crushing Screening Ppt

May 24 2015 Industrial visual screening 1 The term occupational ophthalmology was first used in 1946 by Dr Kuhn Hedwig Kuhn stressed the need to assess the vision needs of the worker and then to match those needs to the ophthalmic evaluation conducted for that worker She summarised the key elements of the visual screening programme as 1

Hot News