BLUE SPECTACLES WITH LEMON GRASS SCENT PROBLEM TO BE SOLVED: To make easily improvable the concentration by providing a blue transmission part and adding the scent of lemon glass to a pad. SOLUTION: A blue transmission part 1 is...
BLUE SPECTACLES WITH LEMON GRASS SCENT PROBLEM TO BE SOLVED: To make easily improvable the concentration by providing a blue transmission part and adding the scent of lemon glass to a pad. SOLUTION: A blue transmission part 1 is...