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发明名称
METHOD OF MAKING A LONG OVERLAY FILTER
摘要
申请公布号
PL255571(A1)
申请公布日期
1987.05.04
申请号
PL19850255571
申请日期
1985.09.27
申请人
OGOLNOKRAJOWE GWARECTWO WEGLA
发明人
GALANT ZBIGNIEW
分类号
E03B;E03B3/18;(IPC1-7):E03B/
主分类号
E03B
代理机构
代理人
主权项
地址
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