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发明名称
Universal angle coupling
摘要
申请公布号
US2976021(A)
申请公布日期
1961.03.21
申请号
US19580775154
申请日期
1958.11.20
申请人
ANCHOR POST PRODUCTS, INC.
发明人
STEFAN NICHOLAS
分类号
E04H17/06
主分类号
E04H17/06
代理机构
代理人
主权项
地址
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