72195421
Jun 11, 1964
Feb 23, 1965
PLIANT, SPIRALLY-WOUND TUBINGS MADE OF HIGH PERMEABILITY MAGNETIC MATERIALS AND ADAPTED TO CONTAIN ELECTRICAL CURRENT CARRYING CONDUCTORS, FOR ISOLATING SAID CONDUCTORS FROM EXTERNAL MAGNETIC FIELDS AND/OR FOR CONFINING MAGNETIC FIELDS GENERATED BY SAID CONDUCTORS
Housewares and Glass