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发明名称
Sewage-disposal apparatus
摘要
申请公布号
US1795143(A)
申请公布日期
1931.03.03
申请号
US19290386360
申请日期
1929.08.16
申请人
CHAIN BELT COMPANY
发明人
RODDY GUSTAV R.
分类号
B01D21/04;B01D21/18
主分类号
B01D21/04
代理机构
代理人
主权项
地址
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