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发明名称
ZWEISCHALIGES BELUEFTETES DACH MIT SEKUNDAEREM TAUWASSERSCHUTZ
摘要
申请公布号
DD261820(A1)
申请公布日期
1988.11.09
申请号
DD19870304468
申请日期
1987.07.02
申请人
VEB METALLEICHTBAUKOMBINAT FORSCHUNGSINSTITUT,DD
发明人
FETTING,OLAF,DD;GOLEMBIEWSKI,DIETER,DD;BERNT,ALFRED,DD
分类号
E04D13/16;(IPC1-7):E04D13/16
主分类号
E04D13/16
代理机构
代理人
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