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发明名称
Improvements in or relating to viewing devices
摘要
申请公布号
GB1133851(A)
申请公布日期
1968.11.20
申请号
GB19650035624
申请日期
1965.08.19
申请人
MULLARD LIMITED
发明人
BORLEY COLIN RODERICK;CARCASSON GEORGE VINCENT
分类号
G02B23/12
主分类号
G02B23/12
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