DIFF Main Group
C09H 1/00 Pretreatment of collagen-containing raw materials for the manufacture of glue
Introduced: September 1968
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C09H 1/04 of hides, hoofs, or leather scrap (recovery of tanning agents C14C) IPC+CPC Available in IPC and CPC