CPC Subgroup Additional Only
B32B 2250/42 Alternating layers, e.g. ABAB(C), AABBAABB(C)
Full Title
Layers arrangement > Alternating layers, e.g. ABAB(C), AABBAABB(C)
B32B 2250/42 Layers arrangement > Alternating layers, e.g. ABAB(C), AABBAABB(C)