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发明名称
Support for hoist, jack, and wire stretcher
摘要
申请公布号
US2556417(A)
申请公布日期
1951.06.12
申请号
US19450597165
申请日期
1945.06.02
申请人
COFFING HOIST COMPANY
发明人
COFFING FREDERICK W.
分类号
B66F13/00;E21D15/54
主分类号
B66F13/00
代理机构
代理人
主权项
地址
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