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经营范围
发明名称
ABRASION TESTER
摘要
申请公布号
JPS52127285(A)
申请公布日期
1977.10.25
申请号
JP19760042434
申请日期
1976.04.16
申请人
HITACHI LTD
发明人
SEYAMA NAGASHIGE
分类号
G01N3/56
主分类号
G01N3/56
代理机构
代理人
主权项
地址
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