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发明名称
Nut tapping machine
摘要
申请公布号
US1887649(A)
申请公布日期
1932.11.15
申请号
US19290368313
申请日期
1929.06.04
申请人
KUMPMANN SR KARL
发明人
SR. KARL KUMPMANN,
分类号
B23G1/18
主分类号
B23G1/18
代理机构
代理人
主权项
地址
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