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发明名称
Tool
摘要
申请公布号
US1747790(A)
申请公布日期
1930.02.18
申请号
US19270197980
申请日期
1927.06.10
申请人
PEARSON ROY S
发明人
PEARSON ROY S.
分类号
B25B27/00
主分类号
B25B27/00
代理机构
代理人
主权项
地址
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