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经营范围
发明名称
Portable landing dock
摘要
申请公布号
US2618124(A)
申请公布日期
1952.11.18
申请号
US19480009182
申请日期
1948.02.18
申请人
HOLSTEN CLARENCE T
发明人
HOLSTEN CLARENCE T.
分类号
E02B3/06
主分类号
E02B3/06
代理机构
代理人
主权项
地址
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