DIFF Subgroup
C22C 27/025 Full Title
Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00 > Alloys based on vanadium, niobium, or tantalum
C22C 27/025 Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00 > Alloys based on vanadium, niobium, or tantalum