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发明名称
Gate
摘要
申请公布号
US2144896(A)
申请公布日期
1939.01.24
申请号
US19370171303
申请日期
1937.10.27
申请人
RAYMOND GEORGE E
发明人
RAYMOND GEORGE E.
分类号
E06B11/02
主分类号
E06B11/02
代理机构
代理人
主权项
地址
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