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发明名称
Protective ring for crusher locking nut
摘要
申请公布号
US3064909(A)
申请公布日期
1962.11.20
申请号
US19590840309
申请日期
1959.09.16
申请人
RESERVE MINING COMPANY
发明人
KOWALOWSKI WILLIAM
分类号
B02C2/00
主分类号
B02C2/00
代理机构
代理人
主权项
地址
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