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经营范围
发明名称
Improvements in or relating to portable apparatus for machining valve seats and other surfaces
摘要
申请公布号
GB901370(A)
申请公布日期
1962.07.18
申请号
GB19580032040
申请日期
1958.10.08
申请人
LUDWIG HUNGER
发明人
分类号
B23B31/40;B23C3/05
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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