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发明名称
Improvements in and relating to hack-saws
摘要
申请公布号
GB377529(A)
申请公布日期
1932.07.28
申请号
GB19310031208
申请日期
1931.11.11
申请人
PATRICK DOWLING
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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