F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16M
FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
11/00
Stands or trestles as supports for apparatus or articles placed thereon; ; Stands for scientific apparatus such as gravitational force meters;
F16M11/20
Undercarriages with or without wheels