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发明名称
摘要
申请公布号
DE2146983(A1)
申请公布日期
1972.04.20
申请号
DE19712146983
申请日期
1971.09.21
申请人
发明人
分类号
E06B9/266;(IPC1-7):E06B9/30
主分类号
E06B9/266
代理机构
代理人
主权项
地址
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