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发明名称
Aerator
摘要
申请公布号
US2856832(A)
申请公布日期
1958.10.21
申请号
US19550546347
申请日期
1955.11.14
申请人
GALAZIN JOHN E
发明人
GALAZIN JOHN E.
分类号
A01B45/02
主分类号
A01B45/02
代理机构
代理人
主权项
地址
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