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发明名称
UPODATNIONA OBUDOWA TUNELOWA
摘要
申请公布号
PL200741(A1)
申请公布日期
1979.04.09
申请号
PL19770200741
申请日期
1977.09.07
申请人
OS BAD ROZWOJOWY BUDOWNICTWA
发明人
WOJTUSIAK ANDRZEJ;MAZUR JOZEF;PAJDA JOZEF
分类号
E21D;E21D5/012;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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