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经营范围
发明名称
Shingling brackets
摘要
申请公布号
US2840424(A)
申请公布日期
1958.06.24
申请号
US19550533466
申请日期
1955.09.09
申请人
OWEN BRODERICK
发明人
BRODERICK OWEN
分类号
E04G3/26
主分类号
E04G3/26
代理机构
代理人
主权项
地址
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