DIFF Subgroup
F28F 9/20 Arrangements of heat reflectors, e.g. separately-insertible reflecting walls
Introduced: September 1968
Full Title
Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings > Arrangements of heat reflectors, e.g. separately-insertible reflecting walls
No child classifications to compare. This is a leaf node in both IPC and CPC.