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发明名称
Improvements in or relating to magic lantern slide holders
摘要
申请公布号
GB868002(A)
申请公布日期
1961.05.10
申请号
GB19580038911
申请日期
1958.12.02
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
ROOYEN LIONEL JACQUES VAN;CANT JOHN SYDNEY
分类号
G03B23/14
主分类号
G03B23/14
代理机构
代理人
主权项
地址
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