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发明名称
Support
摘要
申请公布号
US2161855(A)
申请公布日期
1939.06.13
申请号
US19370137162
申请日期
1937.04.16
申请人
COPELL DANIEL K
发明人
COPELL DANIEL K.
分类号
A24F9/14
主分类号
A24F9/14
代理机构
代理人
主权项
地址
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