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发明名称
VIBRATION FREQUENCY SETTING MECHANISM OF AN ENGRAVING DEVICE PROVIDED WITH AIR PEN
摘要
申请公布号
EP0402754(A3)
申请公布日期
1991.07.10
申请号
EP19900110707
申请日期
1990.06.06
申请人
ANDO ELECTRIC CO., LTD.
发明人
HIYAMA, KIICHI
分类号
B44B11/00;B44B3/00;(IPC1-7):B44B3/00
主分类号
B44B11/00
代理机构
代理人
主权项
地址
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