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发明名称
Three-dimensional adapter for motion-picture projectors
摘要
申请公布号
US2478891(A)
申请公布日期
1949.08.16
申请号
US19470783885
申请日期
1947.11.04
申请人
BERNIER ROBERT V
发明人
BERNIER ROBERT V.
分类号
G03B35/00;G03B35/20
主分类号
G03B35/00
代理机构
代理人
主权项
地址
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