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发明名称
VERFAHREN ZUR HERSTELLUNG VON INEINANDER KONZENTRISCH ANGEORDNETEN DUENNWANDIGEN GLASROHREN MIT BUENDIGEN STIRNFLAECHEN
摘要
申请公布号
DD286933(A7)
申请公布日期
1991.02.14
申请号
DD19870307924
申请日期
1987.10.14
申请人
VEB CARL ZEISS JENA,DE
发明人
WIEGAND,LUTZ,DE
分类号
C03B23/207;(IPC1-7):C03B23/207
主分类号
C03B23/207
代理机构
代理人
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地址
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