… on the variations in the electrical resistance of carbon granules, caused by differences in the pressure exerted upon … when the diaphragm is displaced by sound waves. The carbon granules (or powder) are packed in a container between two …
… suitable for use in vehicles of Chapter 87 ), nails, bolts, nuts, washers, cotters and cotter-pins, springs (including … handles, grip bars, foot rests, window opening mechanisms), number plates, nationality plates, etc. (such goods of base …
