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发明名称
Boat anchor
摘要
申请公布号
US2239889(A)
申请公布日期
1941.04.29
申请号
US19390286912
申请日期
1939.07.27
申请人
HOBBS RODNEY C
发明人
HOBBS RODNEY C.
分类号
B63B21/30
主分类号
B63B21/30
代理机构
代理人
主权项
地址
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