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发明名称
AIR STONE FOR AN AQUARIUM
摘要
申请公布号
US3575350(A)
申请公布日期
1971.04.20
申请号
USD3575350
申请日期
1967.02.15
申请人
ALLAN H. WILLINGER
发明人
ALLAN H. WILLINGER
分类号
A01K63/04;(IPC1-7):B01F3/04;A01K63/00
主分类号
A01K63/04
代理机构
代理人
主权项
地址
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