The two new arms contracts recently announced by Pontiac Motor Div., General Motors Corp., will be extensively subcontracted. ... trucks, tractor, 10-ton 4x2 ; dump trucks. ... Mfg. Co., Inc., here for a substantial quantity of two-place TF-51 Mustangs, a single-engine propeller- driven trainer. $1.5 Million for Artillery Fuses RIVERSIDE, N. J.a The Keystone Watch Case Div. of Riverside Metal Co. is opening an ... Trico Products Corp., Buffalo, N. Y. a vacuum windshield wiper assembly.