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发明名称
STEEL ARCHING
摘要
申请公布号
PL273305(A1)
申请公布日期
1989.12.27
申请号
PL19880273305
申请日期
1988.06.23
申请人
HUTA LABEDY
发明人
OGRODNIK RYSZARD;KIRSZ WILHELM;NIKIEL MACIEJ;RULKA KAZIMIERZ;NAPIERACZ TADEUSZ;CHMIELNIK ANDRZEJ;WERSCHNER TADEUSZ;GRYSZKIEWICZ ZBIGNIEW;BRAWANSKI ROMAN
分类号
E21D;E21D11/14;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
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地址
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