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发明名称
Christmas-tree holder
摘要
申请公布号
US1770853(A)
申请公布日期
1930.07.15
申请号
US19290331042
申请日期
1929.01.08
申请人
JOHNSON FRED E
发明人
JOHNSON FRED E.
分类号
A47G33/12
主分类号
A47G33/12
代理机构
代理人
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