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经营范围
发明名称
Extruded metal sill
摘要
申请公布号
US2990040(A)
申请公布日期
1961.06.27
申请号
US19590792486
申请日期
1959.02.11
申请人
STEVENSON HOWARD S
发明人
STEVENSON HOWARD S.
分类号
E06B1/70
主分类号
E06B1/70
代理机构
代理人
主权项
地址
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