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经营范围
发明名称
Improvements in or relating to apparatus for grinding or polishing flat glass
摘要
申请公布号
GB675830(A)
申请公布日期
1952.07.16
申请号
GB19510000097
申请日期
1951.01.01
申请人
PILKINGTON BROTHERS LIMITED
发明人
分类号
B24B7/24
主分类号
B24B7/24
代理机构
代理人
主权项
地址
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