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经营范围
发明名称
Mullion center
摘要
申请公布号
US1770809(A)
申请公布日期
1930.07.15
申请号
US19280267339
申请日期
1928.04.04
申请人
OSCAR SCHIELD
发明人
SCHIELD OSCAR
分类号
E06B1/08
主分类号
E06B1/08
代理机构
代理人
主权项
地址
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