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经营范围
发明名称
PIPE CHAMFERING DEVICE
摘要
申请公布号
GB8701939(D0)
申请公布日期
1987.03.04
申请号
GB19870001939
申请日期
1987.01.29
申请人
KENWORTHY, G
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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