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发明名称
Improvements relating to trawl boards
摘要
申请公布号
GB803681(A)
申请公布日期
1958.10.29
申请号
GB19560015058
申请日期
1956.05.15
申请人
JOHN WILLIAM PHILLIPS
发明人
分类号
A01K75/06
主分类号
A01K75/06
代理机构
代理人
主权项
地址
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