Évaluation : 0 sur 5 étoiles
0 évaluation
Chargement
RR![]()
author
Robert E Rockwood
Robert E Rockwood has spent over thirty years in the chemical industry and ten years in the beauty industry. He holds over three hundred international patent claims for chemical-pr...voir plusRobert E Rockwood has spent over thirty years in the chemical industry and ten years in the beauty industry. He holds over three hundred international patent claims for chemical-processing equipment.voir moins