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发明名称
Wedge grip scraper blade
摘要
申请公布号
US2390611(A)
申请公布日期
1945.12.11
申请号
US19440535959
申请日期
1944.05.17
申请人
NIXON VIRGIL H
发明人
NIXON VIRGIL H.
分类号
E02F3/815;E02F9/28
主分类号
E02F3/815
代理机构
代理人
主权项
地址
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