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E21C 27/14

Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges

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Edits on 16 Mar, 2022
"update inverses"
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Golden AI
edited on 16 Mar, 2022
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E21C 27/16
"Entity importer update"
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Golden AI
edited on 16 Mar, 2022
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E21C 27/10
Edits on 5 Mar, 2022
"Created via: Entity Importer"
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Golden AI
created this topic on 5 Mar, 2022
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 E21C 27/14

Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges

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Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/E21C27-14

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