METHOD OF CONTROLLING ENVIRONMENTAL CONDITIONS IN THE PROXIMITY OF VEGETATION OR CROPS WITH THE AID OF PROTECTIVE SHEETING AND PROTECTIVE SHEETING FOR USE IN THIS METHOD
- 专利权人:
- TREDEGAR FILM PRODUCTS B.V.
- 发明人:
- MORSSINKHOF, GERHARDUS HERMANUS,VOGEL, LUBBERTUS,LEENHEER, ADRIANUS
- 申请号：
- EP19870200205
- 公开号：
- EP0233673(B1)
- 申请日:
- 1987.02.11
- 申请国别(地区):
- 欧洲专利局
- 年份:
- 1991
- 代理人:
- 摘要：
- 来源网站：
- 中国工程科技知识中心
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