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D21B
Fibrous raw materials or their mechanical treatment
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Edits on 16 Mar, 2022
"update inverses"
Golden AI
edited on 16 Mar, 2022
Edits made to:
Infobox
(
+1
properties)
Infobox
Child classification
D21B 1/00
"Entity importer update"
Golden AI
edited on 16 Mar, 2022
Edits made to:
Infobox
(
+1
properties)
Infobox
Parent classification
D21
Edits on 5 Mar, 2022
"Created via: Entity Importer"
Golden AI
created this topic on 5 Mar, 2022
Edits made to:
Infobox
(
+3
properties)
Description
(
+51
characters)
D21B
Fibrous raw materials or their mechanical treatment
Infobox
Is a
Patent classification
Classification Type
Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/D21B
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