built-up objects, e.g. objects with rigidly-attached bottom or cover

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Making hollow objects > characterised by the structure of the objects > built-up objects, e.g. objects with rigidly-attached bottom or cover

CPC:

Making hollow objects (from thick-walled or non uniform tubes B21K21/00) > characterised by the structure of the objects > built-up objects, e.g. objects with rigidly-attached bottom or cover

No child classifications to compare. This is a leaf node in both IPC and CPC.