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经营范围
发明名称
Waste reclamation apparatus
摘要
申请公布号
US1834174(A)
申请公布日期
1931.12.01
申请号
US19290346708
申请日期
1929.03.13
申请人
RAILWAY SERVICE AND SUPPLY CORPORATION
发明人
PEARCE EDWIN S.
分类号
B03B9/06
主分类号
B03B9/06
代理机构
代理人
主权项
地址
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