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发明名称
Airflow control unit for aquariums
摘要
申请公布号
US3092141(A)
申请公布日期
1963.06.04
申请号
US19610154234
申请日期
1961.11.22
申请人
SPRINGFIELD TOOL AND DIE CO., INC.
发明人
STARK LUDWIG
分类号
A01K63/04;F16K1/38;F16K27/02
主分类号
A01K63/04
代理机构
代理人
主权项
地址
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