00766nam0-22002891i-450-99000029472040332120001010000029472FED01000029472(Aleph)000029472FED0100002947220001010d--------km-y0itay50------baitay-------001yyCrushing & grinding machineryHartland Seymour.LondonE. Benn Ltd.1924IX,143 p., ill., 19 cmChemical Engineering Lybrary. Second Series660Seymour,HartlandITUNINARICAUNIMARCBK99000029472040332104 167-7CI 0950DINCHDINCHUNINAING01