Improved guns for the delivery of liquid DDT spray and powder by mechanical compressors.
GORDON
I
I
D003634:DDT; D005018:Ethyl Chloride; D005389:Firearms; D011208:Powders
D011208:Powders; D005018:Ethyl Chloride; D003634:DDT
CHLOROPHENYL CHLOROETHANE (DDT)