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发明名称
ROHRSTECKVERFAHREN ZUR ABWASSERUMLEITUNG MIT NENNWEITENVARIABLEN ROHRANSCHLUSSSTUECKEN BEI SCHACHTREKONSTRUKTIONEN
摘要
申请公布号
DD221226(A1)
申请公布日期
1985.04.17
申请号
DD19830257994
申请日期
1983.12.15
申请人
KREISER,ERICH,DD;ZUMPE,SIEGBERT,DD;BOY,ANDREA,DD;GROSS,BIRGIT,DD
发明人
KREISER,ERICH,DD;ZUMPE,SIEGBERT,DD;BOY,ANDREA,DD;GROSS,BIRGIT,DD
分类号
F16L21/00;(IPC1-7):F16L21/00
主分类号
F16L21/00
代理机构
代理人
主权项
地址
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