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经营范围
发明名称
Polarizing body
摘要
申请公布号
US1956867(A)
申请公布日期
1934.05.01
申请号
US19330651953
申请日期
1933.01.16
申请人
LAND EDWIN H
发明人
LAND EDWIN H.
分类号
G02B5/30
主分类号
G02B5/30
代理机构
代理人
主权项
地址
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