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经营范围
发明名称
Crushing and grinding machine
摘要
申请公布号
US1946701(A)
申请公布日期
1934.02.13
申请号
US19290374816
申请日期
1929.06.29
申请人
KNITTEL PAUL S
发明人
KNITTEL PAUL S.
分类号
B02C13/26
主分类号
B02C13/26
代理机构
代理人
主权项
地址
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