73043193
Jan 31, 1975
Sep 21, 1976
ADHESIVES FOR BONDING SOUND INSULATING, SOUND ABSORBING, AND/OR SOUND DAMPING MATERIALS AND ARTICLES MADE THEREOF TO A VARIETY OF SURFACES
ChemicalsSILENCING STRUCTURES FOR FLOW DUCTS IN GAS HANDLING INSTALLATIONS, SPECIFICALLY, STRUCTURES INCORPORATING SOUND ABSORBING MATERIAL COVERED WITH PERFORATED SHEET MATERIAL
Environmental Control ApparatusSOUND INSULATING, SOUND ABSORBING, SOUND DAMPING, AND/OR SOUND AND VIBRATION ISOLATING MATERIALS AND ARTICLES MADE THEREOF, INCLUDING: LEADED VINYL, AND CURTAINS, PIPE WRAPPING, AND SURFACE COVERINGS MADE OF LEADED VINYL; FLEXIBLE SOUND ABSORBING FOAM, AND SURFACE COVERINGS MADE OF SUCH FOAM; VINYL-AND GRAPHITE-DAMPING MATERIAL AND SHEETS OF SUCH MATERIAL FOR COVERING SURFACES; SPRAYABLE DAMPING MATERIALS; ELASTOMERS AND MOUNTINGS INCORPORATING ELASTOMERS; AND PANELS MADE OF A COMBINATION OF SOUND ABSORBING AND SOUND INSULATING MATERIALS
Rubber Goods