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经营范围
发明名称
An improved pipe testing machine
摘要
申请公布号
GB463519(A)
申请公布日期
1937.04.01
申请号
GB19360014867
申请日期
1936.05.26
申请人
WILLIAM BRITTAIN
发明人
分类号
G01M3/28
主分类号
G01M3/28
代理机构
代理人
主权项
地址
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