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经营范围
发明名称
Improvements in abrasive and polishing sheets
摘要
申请公布号
GB2077640(A)
申请公布日期
1981.12.23
申请号
GB19800018597
申请日期
1980.06.06
申请人
SIACO LTD
发明人
分类号
A44B18/00;B24D11/00;(IPC1-7):B24D9/08
主分类号
A44B18/00
代理机构
代理人
主权项
地址
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