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发明名称
Procédé pour meuler des pierres précieuses, notamment les saphirs
摘要
申请公布号
CH364427(A)
申请公布日期
1962.09.15
申请号
CH19610001996
申请日期
1961.02.17
申请人
POLLENS,MICHEL
发明人
POLLENS,MICHEL
分类号
B24B19/16
主分类号
B24B19/16
代理机构
代理人
主权项
地址
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