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发明名称
A RESPIRATORY ORGAN UNDER WATER
摘要
申请公布号
KR900006101(Y1)
申请公布日期
1990.07.06
申请号
KR19860020168U
申请日期
1986.12.16
申请人
YEON SEO-DUK;HONG SUN-DUK
发明人
YEON SEO-DUK;HONG SUN-DUK
分类号
B63C11/16;(IPC1-7):B63C11/16
主分类号
B63C11/16
代理机构
代理人
主权项
地址
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