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经营范围
发明名称
Plank for covering hatches and other openings
摘要
申请公布号
US2146180(A)
申请公布日期
1939.02.07
申请号
US19370137291
申请日期
1937.04.16
申请人
THE METAL LUMBER CORPORATION
发明人
FRICK HENRY E.
分类号
B63B19/16
主分类号
B63B19/16
代理机构
代理人
主权项
地址
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