DIFF Subgroup
B29C 61/04 Thermal expansion
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor > Thermal expansion
CPC:
Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor (for surface shaping B29C59/18; for lining articles B29C63/38; for joining preformed parts B29C65/66 ) > Thermal expansion
No child classifications to compare. This is a leaf node in both IPC and CPC.