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发明名称
摘要
申请公布号
USRE27090(E)
申请公布日期
1971.03.23
申请号
USD27090E
申请日期
1969.11.06
申请人
发明人
分类号
B63B9/00
主分类号
B63B9/00
代理机构
代理人
主权项
地址
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