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发明名称
Tool
摘要
申请公布号
US2299225(A)
申请公布日期
1942.10.20
申请号
US19400340308
申请日期
1940.06.13
申请人
EX-CELL-O CORPORATION
发明人
GJERTSEN PAUL R.
分类号
B24B33/08
主分类号
B24B33/08
代理机构
代理人
主权项
地址
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