DIFF Main Group
B27K 7/00 Chemical or physical treatment of cork (mechanical working of cork B27J5/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Chemical or physical treatment of cork
CPC: Chemical or physical treatment of cork (mechanical working of cork B27J5/00)
Full Title
Full titles differ between systems:
IPC:
Chemical or physical treatment of cork
CPC:
Chemical or physical treatment of cork (mechanical working of cork B27J5/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.