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经营范围
发明名称
Tapping machine
摘要
申请公布号
US2294231(A)
申请公布日期
1942.08.25
申请号
US19400352565
申请日期
1940.08.14
申请人
MARK GRAVES
发明人
GRAVES MARK
分类号
B23G1/16
主分类号
B23G1/16
代理机构
代理人
主权项
地址
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