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发明名称
IMPROVED SWIMMING STROKE
摘要
申请公布号
AU532993(B2)
申请公布日期
1983.10.27
申请号
AU19740065161
申请日期
1973.02.01
申请人
GRAYSON, W.K.
发明人
WILLIAM KINGSFORD GRAYSON
分类号
A63B31/00
主分类号
A63B31/00
代理机构
代理人
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