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发明名称
METHOD AND APPARATUS FOR HOLDING GEMS
摘要
申请公布号
US3721465(A)
申请公布日期
1973.03.20
申请号
USD3721465
申请日期
1971.02.04
申请人
KRAISSL F,US
发明人
KRAISSL F,US
分类号
B24B9/16;(IPC1-7):B66C1/02
主分类号
B24B9/16
代理机构
代理人
主权项
地址
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