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E21B 47/01

Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like

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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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E21B 47/013
"update inverses"
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Golden AI
edited on 16 Mar, 2022
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E21B 47/017
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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 E21B 47/01

Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like

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Is a
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Patent classification
Classification Type
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Cooperative Patent Classification
Parent classification
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E21B 47/00
Website
http://data.epo.org/linked-data/def/cpc/E21B47-01

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