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发明名称
Bench tool
摘要
申请公布号
US1803984(A)
申请公布日期
1931.05.05
申请号
US19270213048
申请日期
1927.08.15
申请人
NORMAN CHARLES E VAN
发明人
NORMAN CHARLES E. VAN
分类号
B24B15/04
主分类号
B24B15/04
代理机构
代理人
主权项
地址
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