PROCESS FOR PREPARATION OF AN ADSORBENT PAPER PRODUCT SUCH AS ANIMAL BEDDING AND OIL ADSORBENT PRODUCT PREPARED BY THE PROCESS
- 专利权人:
- KELLER, FRITZ
- 发明人:
- KELLER, FRITZ,MUELLHAUPT, ELISABETH
- 申请号:
- EP19900810884
- 公开号:
- EP0433221(B1)
- 申请日:
- 1990.11.19
- 申请国别(地区):
- 欧洲专利局
- 年份:
- 1993
- 代理人:
- 摘要:
- 来源网站:
- 中国工程科技知识中心