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发明名称
Self-closing gate or the like
摘要
申请公布号
US2279527(A)
申请公布日期
1942.04.14
申请号
US19400357174
申请日期
1940.09.17
申请人
JOHN ROSHEIM
发明人
ROSHEIM JOHN
分类号
E05F1/10
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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