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发明名称
Folding gate
摘要
申请公布号
US1750989(A)
申请公布日期
1930.03.18
申请号
US19290357365
申请日期
1929.04.23
申请人
BRADFIELD LOUIS G
发明人
BRADFIELD LOUIS G.
分类号
E06B3/48
主分类号
E06B3/48
代理机构
代理人
主权项
地址
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