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发明名称
METHOD AND APPARATUS FOR DUCT COLLECTORS
摘要
申请公布号
HUT43878(A)
申请公布日期
1987.12.28
申请号
HU19870000082
申请日期
1987.01.09
申请人
OBSCHTOSTROITELNO PREDPRIETIE,BG
发明人
SCHIVAROV,PETER H.,BG;PETKOVA,KRASSIMIRA I.,BG;KOVATSCHEV,STEFAN J.,BG;KJUSCHELIEV,DIMITER V.,BG
分类号
E02D29/05;E04G11/04;E04G11/34;E04G21/02;F16L1/038;(IPC1-7):E02D29/10
主分类号
E02D29/05
代理机构
代理人
主权项
地址
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