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发明名称
DEVICE FOR MEASURING ROTARY RESISTANCE
摘要
申请公布号
GB9024610(D0)
申请公布日期
1991.01.02
申请号
GB19900024610
申请日期
1990.11.13
申请人
HOESCH AKTIENGESELLSCHAFT
发明人
分类号
G01N3/50
主分类号
G01N3/50
代理机构
代理人
主权项
地址
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