DIFF Main Group
B27K 9/00 Chemical or physical treatment of reed, straw, or similar material (mechanical working of cane or the like B27J1/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Chemical or physical treatment of reed, straw, or similar material
CPC: Chemical or physical treatment of reed, straw, or similar material (mechanical working of cane or the like B27J1/00)
Full Title
Full titles differ between systems:
IPC:
Chemical or physical treatment of reed, straw, or similar material
CPC:
Chemical or physical treatment of reed, straw, or similar material (mechanical working of cane or the like B27J1/00)
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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