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发明名称
FOCAL PROBE
摘要
申请公布号
JPS6315157(A)
申请公布日期
1988.01.22
申请号
JP19860157937
申请日期
1986.07.07
申请人
HITACHI CONSTR MACH CO LTD
发明人
YAMAMOTO HIROSHI;HAYAKAWA YASUO
分类号
H04R1/34;G01N29/04;G01N29/24
主分类号
H04R1/34
代理机构
代理人
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