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经营范围
发明名称
Swinging gate
摘要
申请公布号
US2727323(A)
申请公布日期
1955.12.20
申请号
US19530332589
申请日期
1953.01.22
申请人
KOCH
发明人
KOCH WILLIAM H.;STROM ERNEST
分类号
E05B65/00
主分类号
E05B65/00
代理机构
代理人
主权项
地址
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