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经营范围
发明名称
ASSESSMENT CHAIR
摘要
申请公布号
GB1576407(A)
申请公布日期
1980.10.08
申请号
GB19760000132
申请日期
1977.04.05
申请人
JOHNSTON M
发明人
分类号
A47C31/12;(IPC1-7):A47C1/00;G01B5/20
主分类号
A47C31/12
代理机构
代理人
主权项
地址
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