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经营范围
发明名称
Improvements in or relating to oars or sculls
摘要
申请公布号
GB685791(A)
申请公布日期
1953.01.14
申请号
GB19500018715
申请日期
1950.07.26
申请人
FRANK COLLAR
发明人
分类号
B63H16/04
主分类号
B63H16/04
代理机构
代理人
主权项
地址
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