71481127
Mar 20, 1945
Jan 8, 1946
FIRE EXTINGUISHING APPARATUS-NAMELY, FOAM PROPORTIONING TANKS WHICH ARE FIXED AS TO LOCATION AND FORM AN INTEGRAL PART OF AND SUPPLY FIRE EXTINGUISHING FOAM-MAKING SOLUTIONS TO A PIPE SYSTEM HAVING DELIVERY ENDS AT OR NEAR LOCATIONS WHERE FIRES ARE LIKELY TO OCCUR
Firearms