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发明名称
Dowel pinning machine
摘要
申请公布号
US1909791(A)
申请公布日期
1933.05.16
申请号
US19320594725
申请日期
1932.02.23
申请人
WELCH ARTHUR R
发明人
WELCH ARTHUR R.
分类号
B27F4/00
主分类号
B27F4/00
代理机构
代理人
主权项
地址
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