Knudsen 320B/R

 (MI_Instrument) uuid: da2821f4-b7bf-4c42-8be2-798786023a9a
    citation:  (CI_Citation)
        title:   Knudsen 320B/R singlebeam echosounder
        date:   2017-02-15
        identifier:  (MD_Identifier)
            code:   R2R:MODEL:100129 (NVS:L22:TOOL0892)
    identifier:  (MD_Identifier)
        code:   Knudsen 320B/R
    type:   singlebeam echosounder