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发明名称
SEWAGE TREATMENT
摘要
申请公布号
US3647667(A)
申请公布日期
1972.03.07
申请号
USD3647667
申请日期
1970.06.11
申请人
EARL C. PETERSON
发明人
EARL C. PETERSON
分类号
C02F1/461;C02F3/04;C02F3/28;(IPC1-7):B01D13/02;B01K5/00;C02B1/82
主分类号
C02F1/461
代理机构
代理人
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地址
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