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发明名称
Crusher bowl locking means
摘要
申请公布号
US2972448(A)
申请公布日期
1961.02.21
申请号
US19580751784
申请日期
1958.07.29
申请人
DORSEY MERCER M
发明人
DORSEY MERCER M.
分类号
B02C2/04
主分类号
B02C2/04
代理机构
代理人
主权项
地址
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