FI 88b3

This wiki has 1 patents in category "FI 88b3".

Patents in category FI 88b3

• Patent FI-1912-4982 (English title: A device for using the internal energy of wavy, turbulent media, Inventors: Jan Jaakson, Supplementary to patent: Patent CH-1912-62201 • Patent GB-1911-12232, Filing date: 1912-08-27)

Enclosing categories	Finnish patent classifications, FI 88, FI 88b
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