DIFF Subgroup
B32B 1/08 Tubular products
Introduced: September 1968
Full Title
Layered products having a non-planar shape > Tubular products
No child classifications to compare. This is a leaf node in both IPC and CPC.
B32B 1/08 Introduced: September 1968
Layered products having a non-planar shape > Tubular products
No child classifications to compare. This is a leaf node in both IPC and CPC.