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发明名称
IMPROVEMENTS IN OR RELATING TO A SAW-SHARPENING DEVICE
摘要
申请公布号
GB9122297(D0)
申请公布日期
1991.12.04
申请号
GB19910022297
申请日期
1991.10.21
申请人
DURANT, WALTER H W
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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