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发明名称
BEWITTERUNGSVORRICHTUNG MIT AUTOMATISCHER AUSWECHSLUNG DER KOHLENSTIFTE
摘要
申请公布号
DE3901339(A1)
申请公布日期
1990.07.19
申请号
DE19893901339
申请日期
1989.01.18
申请人
SUGA TEST INSTRUMENTS CO., LTD., TOKIO/TOKYO, JP
发明人
OZAWA, HIROSHI, TOKIO/TOKYO, JP
分类号
G01N17/00;H05B31/18
主分类号
G01N17/00
代理机构
代理人
主权项
地址
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