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发明名称
Aerator filter for fish and plant aquarium
摘要
申请公布号
US2871820(A)
申请公布日期
1959.02.03
申请号
US19550525506
申请日期
1955.08.01
申请人
HAYDEN EDWARD F
发明人
HAYDEN EDWARD F.
分类号
A01K63/04
主分类号
A01K63/04
代理机构
代理人
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地址
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