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发明名称
DASHPOT CONTROL FOR GEM GRINDING APPARATUS
摘要
申请公布号
CA808976(A)
申请公布日期
1969.03.25
申请号
CAD808976
申请日期
申请人
SPECTRUM DIAMONDS (PROPRIETARY) LIMITED
发明人
ALEC LEIBOWITZ
分类号
主分类号
代理机构
代理人
主权项
地址
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