00305nam a2200109 a 450000500170000008200160001710000200003324500640005326000320011730000230014963000230017220251202164250.0  a620.11bPAR  aParker,Sybil P.  aMcGraw Hill dictionary of mechanical and design engineering  aNew YorkbMcGraw Hillc1984  a387 p.c24 cm.bHB  aDesign engineering