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发明名称
Gem cutter's dop
摘要
申请公布号
US3109268(A)
申请公布日期
1963.11.05
申请号
US19600074138
申请日期
1960.12.06
申请人
PRINTZ HILLARD A
发明人
PRINTZ HILLARD A.
分类号
B24B9/16
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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