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发明名称
Apparat til oxygenberigelse af vand, især til fiskeopdræt.
摘要
申请公布号
DK105788(C)
申请公布日期
1966.11.07
申请号
DK19640003296
申请日期
1964.07.01
申请人
ROBERT MAYR
发明人
ROBERT MAYR
分类号
A01K63/04;(IPC1-7):A01K61/00
主分类号
A01K63/04
代理机构
代理人
主权项
地址
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