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发明名称
PROCESS FOR RECOVERING DRY NITROGEOUS MATERIAL FROM SEWAGE
摘要
申请公布号
ZA6909273(B)
申请公布日期
1971.03.31
申请号
ZA19690009273
申请日期
1969.04.28
申请人
COUCHE R;CAVANAGH J
发明人
CAVANAGH J;COUCHE R
分类号
C05C
主分类号
C05C
代理机构
代理人
主权项
地址
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