Plant growth substrate comprises layer of untreated sheep's wool between two strengthening layers of cloth which are held together by diagonal threads

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专利权人:

TWISTRINGER RBM DRAENFILTER;INST AGRAR UND STADTOEKOLOGISC

发明人:

申请号：

DE20052004354U

公开号：

DE202005004354(U1)

申请日:

2005.03.09

申请国别(地区):

德国

年份:

2005

代理人:

摘要：

The plant growth substrate comprises a layer of untreated sheep's wool (1) between two strengthening layers (4) of cloth which are held together by diagonal threads (4a). -

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中国工程科技知识中心

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