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发明名称
Spring counterbalancing means for the covers of cabinets
摘要
申请公布号
US2639053(A)
申请公布日期
1953.05.19
申请号
US19500140895
申请日期
1950.01.27
申请人
ULRICH CHARLES B
发明人
ULRICH CHARLES B.
分类号
E05F1/10
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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