Chemical machinery
Junkovsky N.
Chemical machinery കെമിക്കല് മെഷീനറി - Thiruvananthapuram Kerala Bhasha Institute 1975 - vii, 1 - 312
Applied PhysicsMachine EngineeringINSECTS IN GENERAL , PREVENTIVE AND REMEDIAL MEASURES, INSECTS INJURIOUS TO CROPS, OTHER IMPORTANT INSECTS
621.8 / JUN-C
Chemical machinery കെമിക്കല് മെഷീനറി - Thiruvananthapuram Kerala Bhasha Institute 1975 - vii, 1 - 312
Applied PhysicsMachine EngineeringINSECTS IN GENERAL , PREVENTIVE AND REMEDIAL MEASURES, INSECTS INJURIOUS TO CROPS, OTHER IMPORTANT INSECTS
621.8 / JUN-C