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تاریخچه استاندارد
AWPA A40  
AWPA A40 2021  
STANDARD METHODS FOR DETERMINATION OF BORON TRIOXIDE IN TREATING SOLUTIONS AND TREATED WOOD BY POTENTIOMETRIC TITRATION WITH SODIUM HYDROXIDE
5000000 ریال  
AWPA A40  
AWPA A40 2018  
STANDARD METHODS FOR DETERMINATION OF BORON TRIOXIDE IN TREATING SOLUTIONS AND TREATED WOOD BY POTENTIOMETRIC TITRATION WITH SODIUM HYDROXIDE
5000000 ریال  




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