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发明名称
Wraparound spectable structure improvement with the rearward point of head contact being at or above the rearward occipital prominence
摘要
申请公布号
IES62723(B2)
申请公布日期
1995.02.22
申请号
IES940836
申请日期
1994.10.20
申请人
FAIRCLOUGH MAX F
发明人
FAIRCLOUGH MAX F
分类号
G02C5/14;(IPC1-7):G02C5/14
主分类号
G02C5/14
代理机构
代理人
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