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经营范围
发明名称
Machine pour la formation d'une surface abrasive sur la périphérie d'un disque métallique devant servir de molette destinée à frotter contre la pierre d'un allumeur
摘要
申请公布号
CH325575(A)
申请公布日期
1957.11.15
申请号
CHD325575
申请日期
1954.02.12
申请人
MERCHANT,CHESTER O.
发明人
O. MERCHANT,CHESTER
分类号
B23P9/02;F23Q2/46
主分类号
B23P9/02
代理机构
代理人
主权项
地址
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