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经营范围
发明名称
Bug making machine
摘要
申请公布号
US1883599(A)
申请公布日期
1932.10.18
申请号
US19290411628
申请日期
1929.12.04
申请人
DAHLEN CHARLES A
发明人
DAHLEN CHARLES A.
分类号
D05C15/00
主分类号
D05C15/00
代理机构
代理人
主权项
地址
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