BIWAX
WAXES AND COMPOUNDS IN THE NATURE OF: IMPREGNATING COMPOUNDS FOR ELIMINATING MOISTURE IN A COIL OR FOIL WINDING; SEALING COMPOUNDS FOR SURFACE SEALING OF UNITS; DIPPING COMPOUNDS FOR DIPPING OF ANY ASSEMBLED ELECTRONIC UNIT TO PROVIDE A MOISTURE BARRIER; FUNGUS RESISTANT COMPOUNDS FOR IMPREGNATING, ULATING, POTTING OR DIPPING ELECTRONIC UNITSL;COMPOUNDS CHARACTERIZED BY HAVING GOOD RESISTANCE TO CORONG LOSSES
Expired · January 18, 1956 · 72000950 ·