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经营范围
发明名称
Separable frame and connected block structure
摘要
申请公布号
US2257598(A)
申请公布日期
1941.09.30
申请号
US19390279501
申请日期
1939.06.16
申请人
FREASE HURXTHAL F
发明人
FREASE HURXTHAL F.
分类号
E04B2/58
主分类号
E04B2/58
代理机构
代理人
主权项
地址
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