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经营范围
发明名称
Paper drill
摘要
申请公布号
US1808472(A)
申请公布日期
1931.06.02
申请号
US19290389906
申请日期
1929.09.03
申请人
MIELKE HERMAN D
发明人
MIELKE HERMAN D.
分类号
B26D7/18;B26F1/16
主分类号
B26D7/18
代理机构
代理人
主权项
地址
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