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发明名称
Method of disposing of sewage sludge
摘要
申请公布号
US1895159(A)
申请公布日期
1933.01.24
申请号
US19310554362
申请日期
1931.07.31
申请人
GREENAWALT JOHN E
发明人
GREENAWALT JOHN E.
分类号
C02F11/12;C04B18/10
主分类号
C02F11/12
代理机构
代理人
主权项
地址
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