Support has alveolus for tubes, a test

摘要

P support for the test tubes / p & & p & it comprises an upper part or block pierced with open cells 1 and a lower part, which may be either a frame supported by posts from a base, or else merely by a cover made of a blind depression corresponding to the cells of the block. The assembly is performed by means of pins and the holes 2 provided on the edges of the two parts. / p & & p & application to the chemical industry and the like. / p