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发明名称
Sea stop
摘要
申请公布号
US2403806(A)
申请公布日期
1946.07.09
申请号
US19420426148
申请日期
1942.01.09
申请人
LANGDON JESSE D
发明人
LANGDON JESSE D.
分类号
B63B43/12;B63B43/16;B63C7/12;B63G9/02
主分类号
B63B43/12
代理机构
代理人
主权项
地址
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