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发明名称
Means for detecting and indicating the activities of bees and conditions in beehives
摘要
申请公布号
US2806082(A)
申请公布日期
1957.09.10
申请号
US19530388214
申请日期
1953.10.26
申请人
FARRINGTON WOODS EDWARD
发明人
WOODS EDWARD FARRINGTON
分类号
G01H3/00
主分类号
G01H3/00
代理机构
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