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发明名称
Method and apparatus for transferring migratory fish over a dam structure
摘要
申请公布号
US2119540(A)
申请公布日期
1938.06.07
申请号
US19370146016
申请日期
1937.06.02
申请人
UNITED STATES OF AMERICA
发明人
HOLMES HARLAN B.;BLOOD HENRY F.;BELL MILO C.
分类号
E02B8/08
主分类号
E02B8/08
代理机构
代理人
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