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发明名称
MEASURING METHOD AND RECORDER FOR DISTANCE BETWEEN RECORDING HEAD AND RECORDING MEDIUM
摘要
申请公布号
JPH03203879(A)
申请公布日期
1991.09.05
申请号
JP19890342445
申请日期
1989.12.29
申请人
HITACHI LTD
发明人
MURANUSHI FUMITAKA;TAKEUCHI YOSHINORI;TANAKA KATSUYUKI
分类号
G01B7/14;G11B21/21
主分类号
G01B7/14
代理机构
代理人
主权项
地址
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