DIFF Subgroup
E01B 11/52 Joints made by alumino-thermal welding
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Rail joints > Non-dismountable rail joints; Welded joints > Joints made by alumino-thermal welding
CPC:
Rail joints (electrical connection of the rail B60M5/00) > Non-dismountable rail joints; Welded joints (welding methods B23K) > Joints made by alumino-thermal welding
No child classifications to compare. This is a leaf node in both IPC and CPC.