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发明名称
Snorkel assembly
摘要
A snorkel assembly of this invention includes a face mask and an elongated flexible air pipe having one end connected to the face mask. A floating body is connected to the other end of the air pipe to expose the other end to the atmosphere.
申请公布号
US5027805(A)
申请公布日期
1991.07.02
申请号
US19900556941
申请日期
1990.07.23
申请人
KUNG, KUO-LANG
发明人
KUNG, KUO-LANG
分类号
B63C11/16;B63C11/20
主分类号
B63C11/16
代理机构
代理人
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