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经营范围
发明名称
Breakwater
摘要
申请公布号
US2309022(A)
申请公布日期
1943.01.19
申请号
US19380229044
申请日期
1938.09.09
申请人
HARMEN STREEFKERK
发明人
STREEFKERK HARMEN
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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