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F01B 7/20

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with two or more pistons reciprocating one within another, e.g. one piston forming cylinder of the other

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Edits on 16 Mar, 2022
"Entity importer update"
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Golden AI
edited on 16 Mar, 2022
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F01B 7/00
Edits on 5 Mar, 2022
"Created via: Entity Importer"
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Golden AI
created this topic on 5 Mar, 2022
Edits made to:
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 F01B 7/20

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with two or more pistons reciprocating one within another, e.g. one piston forming cylinder of the other

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Patent classification
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Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/F01B7-20

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