Official classification context
Industry overview This class comprises establishments principally engaged in manufacturing glass powder, granules, lumps, bars and rods, pipes and tubes, and other glass products as processing materials. Establishments principally engaged in manufacturing light bulbs and bulbs for electronic tubes are also included in this class.
Major group context CLAY PRODUCTS This Major group comprises establishments engaged in manufacturing plate (flat) glass and other glass products, cement and its products, clay products for construction, ceramics, refractory products, carbon and graphite products, ename l-covered iron products, abrasive grains, aggregates, stone products, gypsum products, lime products. Group Class Number Number