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发明名称
摘要
申请公布号
FR2259970(B3)
申请公布日期
1976.11.26
申请号
FR19740003891
申请日期
1974.02.05
申请人
SAPROBA
发明人
分类号
E06B3/12;E06B3/96;E06B3/988;(IPC1-7):E06B1/04
主分类号
E06B3/12
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