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发明名称
Tool holder
摘要
申请公布号
US1956023(A)
申请公布日期
1934.04.24
申请号
US19290401901
申请日期
1929.10.23
申请人
NICHOLAS GRON
发明人
GRON NICHOLAS
分类号
B23D13/00
主分类号
B23D13/00
代理机构
代理人
主权项
地址
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