DIFF Subgroup
B23K 101/08 finned or ribbed
Introduced: January 1990
Full Title
Articles made by soldering, welding or cutting > Tubular or hollow articles > Tubes > finned or ribbed
B23K 101/08 Introduced: January 1990
Articles made by soldering, welding or cutting > Tubular or hollow articles > Tubes > finned or ribbed