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经营范围
发明名称
MAGNETIC COMPASS
摘要
申请公布号
JPS5554402(A)
申请公布日期
1980.04.21
申请号
JP19780127269
申请日期
1978.10.18
申请人
TOHOKU METAL IND LTD
发明人
KOMATSU MINORU;TSURUGA KIKUO
分类号
G01C17/30;G01C17/28
主分类号
G01C17/30
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代理人
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