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发明名称
Hydraulic wheel feeding mechanism
摘要
申请公布号
US1949516(A)
申请公布日期
1934.03.06
申请号
US19310559673
申请日期
1931.08.27
申请人
NORTON COMPANY
发明人
SILVEN HERBERT A.
分类号
B24B47/20
主分类号
B24B47/20
代理机构
代理人
主权项
地址
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