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发明名称
Hacksaw blade
摘要
申请公布号
US2534424(A)
申请公布日期
1950.12.19
申请号
US19470728461
申请日期
1947.02.14
申请人
ERNEST DRYDEN
发明人
DRYDEN ERNEST
分类号
B23D61/12
主分类号
B23D61/12
代理机构
代理人
主权项
地址
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