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经营范围
发明名称
Mortar and pestle
摘要
申请公布号
US2903198(A)
申请公布日期
1959.09.08
申请号
US19570701064
申请日期
1957.12.06
申请人
WISCONSIN ALUMNI RESEARCH FOUNDATION
发明人
ASPLIN JAMES G.
分类号
B02C19/08
主分类号
B02C19/08
代理机构
代理人
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地址
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