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发明名称
Wedge
摘要
申请公布号
US2078875(A)
申请公布日期
1937.04.27
申请号
US19360079952
申请日期
1936.05.15
申请人
WILLIAM G. POPE
发明人
HARMON EARL H.
分类号
B25G3/28
主分类号
B25G3/28
代理机构
代理人
主权项
地址
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