"sonic depth finder"@en-us . . "0"^^ . "104260192"^^ . "104097082"@en-us . . "depth finder for determining depth of water or a submerged object by means of ultrasound waves"@en-us . "0"^^ . "103369471"@en-us . . . . . "fathometer"@en-us . "sonic depth finder"^^ . . . . "04260192-n"^^ .