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发明名称
SYMMETRISK DOERLAAS.
摘要
申请公布号
NO875451(A)
申请公布日期
1988.06.30
申请号
NO19870005451
申请日期
1987.12.28
申请人
WAERTSILAE OY AB
发明人
NABB ELIS;EGGERT STIG
分类号
E05B63/04;(IPC1-7):E05B63/00
主分类号
E05B63/04
代理机构
代理人
主权项
地址
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