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经营范围
发明名称
Horizontal boring, drilling, and milling machine
摘要
申请公布号
US2307975(A)
申请公布日期
1943.01.12
申请号
US19420435699
申请日期
1942.03.21
申请人
THE G. A. GRAY COMPANY
发明人
WALTER JOHN M.
分类号
B23B47/02;B23Q1/28;B23Q1/70
主分类号
B23B47/02
代理机构
代理人
主权项
地址
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