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发明名称
Pulverizer mill
摘要
申请公布号
US2149580(A)
申请公布日期
1939.03.07
申请号
US19360095657
申请日期
1936.08.12
申请人
COLLINS MAY H
发明人
COLLINS MAY H.
分类号
B02C15/12
主分类号
B02C15/12
代理机构
代理人
主权项
地址
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