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发明名称
BUOYANCY APPARATUS
摘要
申请公布号
AU519819(B2)
申请公布日期
1981.12.24
申请号
AU19800057353
申请日期
1979.04.12
申请人
WALTHER, K.J.
发明人
K.J. WALTHER
分类号
F03B17/00;(IPC1-7):03B17/04
主分类号
F03B17/00
代理机构
代理人
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