Difference between revisions of "FR 6.1"

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Patent category '''FR 6.1''' or '''VI.1''' was for '''Construction of ships and gears'''.<ref>[[Classifications of French patents, 1904-1958]]</ref>
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Latest revision as of 23:31, 27 October 2019

Patent category FR 6.1 or VI.1 was for Construction of ships and gears.[1]

References

  1. ↑ Classifications of French patents, 1904-1958

This wiki has 18 patents in category "FR 6.1".

Patents in category FR 6.1

Enclosing categories FR 6, French patent classifications, Classifications of French patents, 1904-1958
Subcategories
Keywords USPC 114, Marine
Start year
End year
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