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经营范围
发明名称
Improvements in and relating to sewage apparatus
摘要
申请公布号
GB727408(A)
申请公布日期
1955.03.30
申请号
GB19510027333
申请日期
1951.11.21
申请人
RALPH PARTON GABRIEL
发明人
分类号
E03F5/02
主分类号
E03F5/02
代理机构
代理人
主权项
地址
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