
    No. 705.
    No. 711.
    Chemtronics, Inc., et al. v. Beckman Instruments, Inc., et al.; and Beckman Instruments, Inc., et al. v. Chemtronics, Inc., et al.
   C. A. 5th Cir. Certiorari denied. Reported below: 439 F. 2d 1369.  