00661nac a22002051u 4500 76030842 604.26218 GRA 8476 8476 Grafstein, Paul. Pictorial handbook of technical devices : Paul Grafstein and Otto B. Schwarz. New York, Chemical Pub. Co.,1971. 1971. 606 p. ill. 23 cm. includes index Distributer: Al-Ahram Catalogued by: Sara Machinery Drawings. Mechanical movements Drawing. Schwarz, Otto B., BB 604.26218GRA 8476 8476 0 0 0 0 MAIN MAIN 1ST 2010-03-08 Purchase 0 604.26218GRA 000010286 2025-07-15 00:00:00 BB