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发明名称
Removable grinding lining for jordan engines
摘要
申请公布号
US2633778(A)
申请公布日期
1953.04.07
申请号
US19480062297
申请日期
1948.11.27
申请人
JOHN W. BOLTON & SONS, INC.
发明人
STUCK HAROLD D.
分类号
B02C2/10
主分类号
B02C2/10
代理机构
代理人
主权项
地址
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