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发明名称
DEVICE FOR MANUFACTURING BIOGAS
摘要
申请公布号
PL267880(A1)
申请公布日期
1989.04.03
申请号
PL19870267880
申请日期
1987.09.22
申请人
发明人
分类号
C02F;(IPC1-7):C02F/
主分类号
C02F
代理机构
代理人
主权项
地址
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