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发明名称
Flooring jack
摘要
申请公布号
US2708097(A)
申请公布日期
1955.05.10
申请号
US19520299600
申请日期
1952.07.18
申请人
HINGER WILLIAM E
发明人
HINGER WILLIAM E.
分类号
E04F21/22
主分类号
E04F21/22
代理机构
代理人
主权项
地址
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