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经营范围
发明名称
Collapsible frame sea anchor
摘要
申请公布号
US2491564(A)
申请公布日期
1949.12.20
申请号
US19450631306
申请日期
1945.11.28
申请人
HJALMAR IVERSEN
发明人
IVERSEN HJALMAR
分类号
B63B21/48
主分类号
B63B21/48
代理机构
代理人
主权项
地址
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