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经营范围
发明名称
Sectional floating dry dock
摘要
申请公布号
US2728319(A)
申请公布日期
1955.12.27
申请号
US19520281757
申请日期
1952.04.11
申请人
FREDERIC R. HARRIS, INC.
发明人
ENGSTRAND GUNNAR C.
分类号
B63C1/04
主分类号
B63C1/04
代理机构
代理人
主权项
地址
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