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发明名称
ANCHOR WITH RETRACTABLE FLUKES
摘要
申请公布号
US3621806(A)
申请公布日期
1971.11.23
申请号
USD3621806
申请日期
1969.05.16
申请人
ROBERT F. BROWN
发明人
ROBERT F. BROWN
分类号
B63B21/24;B63B21/36;(IPC1-7):B63B21/44
主分类号
B63B21/24
代理机构
代理人
主权项
地址
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