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发明名称
Grinding attachment for sod cutting machine
摘要
申请公布号
US3069820(A)
申请公布日期
1962.12.25
申请号
US19590848795
申请日期
1959.10.26
申请人
FEDERAL AIRCRAFT WORKS, INC.
发明人
DITTER FRANCIS J.;JR. WILLIAM C. KAERCHER,
分类号
A01B45/04;B24B3/36
主分类号
A01B45/04
代理机构
代理人
主权项
地址
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