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发明名称
Adjustable leg
摘要
申请公布号
US2921825(A)
申请公布日期
1960.01.19
申请号
US19540422301
申请日期
1954.04.12
申请人
SPIEGEL GEORGE W
发明人
SPIEGEL GEORGE W.
分类号
主分类号
代理机构
代理人
主权项
地址
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