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发明名称
Stereoscopic viewing device
摘要
申请公布号
US2643578(A)
申请公布日期
1953.06.30
申请号
US19510232264
申请日期
1951.06.19
申请人
NELSON WILLIAMS JOHN
发明人
WILLIAMS JOHN NELSON
分类号
G02B27/22
主分类号
G02B27/22
代理机构
代理人
主权项
地址
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