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经营范围
发明名称
Transmissions-Overhead-Projektor mit reduzierter Höhe.
摘要
申请公布号
DE3786652(T2)
申请公布日期
1994.01.05
申请号
DE19873786652T
申请日期
1987.11.25
申请人
MINNESOTA MINING AND MFG. CO., SAINT PAUL, MINN., US
发明人
VANDERWERF, DENNIS F. C/O MINNESOTA MINING AND, ST. PAUL MINNESOTA 55144-1000, US
分类号
G03B21/132;(IPC1-7):G03B21/132
主分类号
G03B21/132
代理机构
代理人
主权项
地址
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