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发明名称
SHALLOW WATER BREATHING APPARATUS
摘要
申请公布号
GB8904334(D0)
申请公布日期
1989.04.12
申请号
GB19890004334
申请日期
1989.02.25
申请人
HOL, CORNELIS
发明人
分类号
主分类号
代理机构
代理人
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