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发明名称
An improved device for the cleaning, scaling or burnishing of tubes
摘要
申请公布号
GB362614(A)
申请公布日期
1931.12.10
申请号
GB19300033471
申请日期
1930.11.07
申请人
WILLIAM ESPLEN HOPE
发明人
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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