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发明名称
Support and spacing device for hive body or super frames
摘要
申请公布号
US2580282(A)
申请公布日期
1951.12.25
申请号
US19460708290
申请日期
1946.11.07
申请人
COLLEY OMER A
发明人
COLLEY OMER A.
分类号
A01K47/02
主分类号
A01K47/02
代理机构
代理人
主权项
地址
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