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发明名称
SKIN-DIVING DEVICE COMPRISING A DRY SNORKEL WITH AN IMPROVED VALVE
摘要
申请公布号
EP0743911(A1)
申请公布日期
1996.11.27
申请号
EP19950926400
申请日期
1995.07.19
申请人
MINTCHEV, SERGUEI
发明人
MINTCHEV, SERGUEI
分类号
B63C11/20;(IPC1-7):B63C11/16
主分类号
B63C11/20
代理机构
代理人
主权项
地址
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