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发明名称
Improvements in and relating to ship's pilot ladders
摘要
申请公布号
GB330560(A)
申请公布日期
1930.06.10
申请号
GB19290007464
申请日期
1929.03.07
申请人
ISTHMIAN STEAMSHIP CO.
发明人
分类号
B63B27/14
主分类号
B63B27/14
代理机构
代理人
主权项
地址
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