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发明名称
Self-posing device with adjustable periscopic view finder
摘要
申请公布号
US2589363(A)
申请公布日期
1952.03.18
申请号
US19470777143
申请日期
1947.10.01
申请人
THEODORE FOUFOUNIS JEAN
发明人
FOUFOUNIS JEAN THEODORE
分类号
G03B17/53
主分类号
G03B17/53
代理机构
代理人
主权项
地址
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