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发明名称
摘要
申请公布号
NO130835(C)
申请公布日期
1975.02.19
申请号
NO19730003237
申请日期
1973.08.15
申请人
INTEROC AKTIEBOLAG
发明人
BERGVALL K L;DAHLBERG E E
分类号
E04B2/00;(IPC1-7):E04B2/00
主分类号
E04B2/00
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