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发明名称
Foldable stereoscope device for viewing stereoscopic transparencies and prints
摘要
申请公布号
US2794367(A)
申请公布日期
1957.06.04
申请号
US19540447487
申请日期
1954.08.03
申请人
TURNER RICHARD L
发明人
TURNER RICHARD L.
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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