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发明名称
PREVENTION AND ELIMINATION OF OXYGEN-POOR WATER MASS BY LIME MATERIAL
摘要
申请公布号
JPH04141285(A)
申请公布日期
1992.05.14
申请号
JP19900263842
申请日期
1990.10.03
申请人
NIHON SETSUKAI KOUGIYOU KUMIAI
发明人
IWASHITA TETSUSHI;SHIMOMOTO YASUTAKE;KADOKURA TOSHIO;FUNASAKA RIYOUZOU
分类号
C02F1/00
主分类号
C02F1/00
代理机构
代理人
主权项
地址
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