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经营范围
发明名称
Improvements in or relating to apparatus and method for machining a workpiece by spark erosion
摘要
申请公布号
GB807897(A)
申请公布日期
1959.01.21
申请号
GB19550026031
申请日期
1955.09.12
申请人
FIRTH STERLING INC.
发明人
WILLIAMS EVERARD M.
分类号
B23H1/00
主分类号
B23H1/00
代理机构
代理人
主权项
地址
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