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发明名称
Improvements in or relating to hack-saws
摘要
申请公布号
GB658659(A)
申请公布日期
1951.10.10
申请号
GB19490001781
申请日期
1949.01.21
申请人
SIDNEY GEOFFREY YOUNG
发明人
分类号
B23D49/12
主分类号
B23D49/12
代理机构
代理人
主权项
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