Alastair Edwin McAuley,Christopher Earl Nightingale,Aidan Mark Shotbolt,Ivan Milivojevic
申请号：
US15156073
公开号：
US10004865B2
申请日:
2016.05.16
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A mask is disclosed that has a gas outlet which is quiet and provides for a diffused outlet flow of gases. The outlet is preferably a slot formed between a hollow body and cover over said hollow body. The mask also preferably extends and seals under a user's chin in use.
