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发明名称
Hack saw sharpening machine
摘要
申请公布号
US1831204(A)
申请公布日期
1931.11.10
申请号
US19300434939
申请日期
1930.03.11
申请人
HUTHER BROTHERS SAW MANUFACTURING COMPANY
发明人
STAUDER EMANUEL
分类号
B23D63/12
主分类号
B23D63/12
代理机构
代理人
主权项
地址
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