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发明名称
SEITENAUSBAU FUER DRAENROHRSYSTEM UND VERFAHREN ZUM AUSBAUEN EINER FORTGEHENDEN BOESCHUNG EINES DRAENROHRSYSTEMS.
摘要
申请公布号
DE3674267(D1)
申请公布日期
1990.10.25
申请号
DE19863674267
申请日期
1986.06.13
申请人
POLY-BAUELEMENTE AG, ADLISWIL, CH
发明人
WILLIAMS, BARRY C., STATESVILLE NORTH CAROLINA, US
分类号
E01C11/22;(IPC1-7):E01C11/22;E02B11/00;E03F5/06
主分类号
E01C11/22
代理机构
代理人
主权项
地址
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