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发明名称
摘要
申请公布号
DE2462506(C3)
申请公布日期
1979.04.19
申请号
DE19742462506
申请日期
1974.03.22
申请人
EKSTRAND, JOHN ARNE INGEMUND, HELSINGBORG (SCHWEDEN)
发明人
EKSTRAND, JOHN ARNE INGEMUND, HELSINGBORG (SCHWEDEN)
分类号
F41G1/30;G02B23/10;G02B23/14;G02B27/30;G02B27/32;(IPC1-7):G02B23/10
主分类号
F41G1/30
代理机构
代理人
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