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发明名称
Block sander
摘要
申请公布号
US2400928(A)
申请公布日期
1946.05.28
申请号
US19450571441
申请日期
1945.01.05
申请人
HEIN CLARENCE A
发明人
HEIN CLARENCE A.
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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