Floating bottle type submerged respiratory system

The floating bottle submerged respiratory system is characterized by a stable floating bottle to prevent choking from water, a single way aspirating valve, an inhaler and a respiring nozzle to enhance the respiration efficiency or prevent extinguishing of an engine, it makes a diver swim or a submer...

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1. Verfasser: YAO CHENGQI
Format: Patent
Sprache:eng
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