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经营范围
发明名称
Sanitary liquid trap
摘要
申请公布号
US1810240(A)
申请公布日期
1931.06.16
申请号
US19300474275
申请日期
1930.08.09
申请人
ARTHUR GREENWOOD ROBERT
发明人
GREENWOOD ROBERT ARTHUR
分类号
E03C1/294
主分类号
E03C1/294
代理机构
代理人
主权项
地址
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