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发明名称
DISPOSITIVO PARA MELHORAR A RESISTENCIA DAS OBRAS AO IMPACTO DOS PROJECTEIS CONVENCIONAIS
摘要
申请公布号
PT91987(A)
申请公布日期
1990.04.30
申请号
PT19890091987
申请日期
1989.10.13
申请人
CAMPENON BERNARD BTP
发明人
HENRI CHAPUS
分类号
E04H9/04;(IPC1-7):E04H9/00
主分类号
E04H9/04
代理机构
代理人
主权项
地址
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