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发明名称
Tag line hoist for fish lift gates
摘要
申请公布号
US2169316(A)
申请公布日期
1939.08.15
申请号
US19370144618
申请日期
1937.05.25
申请人
ADOLPH ZWALD
发明人
ZWALD ADOLPH
分类号
E02B8/08
主分类号
E02B8/08
代理机构
代理人
主权项
地址
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