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发明名称
Improvements in or relating to milling or grinding machines
摘要
申请公布号
GB621051(A)
申请公布日期
1949.04.04
申请号
GB19460015357
申请日期
1946.05.21
申请人
DONALD WHITEHEAD BALLS
发明人
分类号
B02C9/00;B02C13/00
主分类号
B02C9/00
代理机构
代理人
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地址
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