A snorkeling breathing apparatus of the present invention includes a mouthpiece; an inhalation unit configured to communicate with the mouthpiece and to open upon inhalation to guide external air to the mouthpiece and close upon exhalation; and an exhalation unit configured to communicate with the mouthpiece and to close upon inhalation and open upon exhalation to discharge the exhalation.
BREATHING APPARATUS FOR SNORKELING
2022-09-08
Patent
Electronic Resource
English
IPC: | B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen |