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发明名称
Tool
摘要
申请公布号
US2168405(A)
申请公布日期
1939.08.08
申请号
US19380198169
申请日期
1938.03.26
申请人
HAAS JACOB R
发明人
HAAS JACOB R.
分类号
B25F1/04;B25G1/08
主分类号
B25F1/04
代理机构
代理人
主权项
地址
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