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发明名称
An improved adjustable boring head for machine tools
摘要
申请公布号
GB630770(A)
申请公布日期
1949.10.20
申请号
GB19470025124
申请日期
1947.09.13
申请人
WILLIAM BONEHAM
发明人
分类号
B23B29/034
主分类号
B23B29/034
代理机构
代理人
主权项
地址
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