75430030
Feb 6, 1998
Sep 12, 2000
MACHINES FOR PREPARING CHEMICAL AND DYESTUFF STOCK SOLUTIONS IN OPTIONALLY PRESCRIBED CONCENTRATIONS FOR USE IN MAKING PRECISE STOCK SOLUTIONS FOR DYEHOUSE LABORATORY USE; MECHANICAL MIXING MACHINES FOR PREPARING CHEMICAL AND DYESTUFF STOCK SOLUTIONS IN OPTIONALLY PRESCRIBED CONCENTRATIONS FOR USE IN LABORATORY DISPENSING
Machinery