Accessory unit for hydroponics receptacles

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专利权人:

INTERHYDRO AG

发明人:

BAUMANN, GERHARD

申请号：

US19740497477

公开号：

US3988857(A)

申请日:

1974.08.14

申请国别(地区):

美国

年份:

1976

代理人:

摘要：

The invention concerns an accessory unit for plant receptacles for hydroponics, this accessory unit forming the water-level gauge-channel and the pouring-in-and emptying-channel, both of the channels being placed close to each other, rigidly connected together but separated along their whole height by a partition wall.

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中国工程科技知识中心

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http://www.ckcest.cn/home/