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发明名称
PROJEKTOR ZUM WAHLWEISEN PROJIZIEREN VON DURCHLICHTBILDERN ODER LAUFBILDFILMEN
摘要
申请公布号
DE2500424(B2)
申请公布日期
1976.12.30
申请号
DE19752500424
申请日期
1975.01.07
申请人
发明人
分类号
G03B21/12;(IPC1-7):G03B21/12
主分类号
G03B21/12
代理机构
代理人
主权项
地址
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