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发明名称
DISPOSITIF DE SECURITE POUR INSTALLATIONS D'EXTRACTION
摘要
申请公布号
BE763943(A1)
申请公布日期
1971.08.02
申请号
BE19710763943
申请日期
1971.03.08
申请人
KLASENER ARTHUR, HOLUNDERWEG 16, 439 GLADBECK (ALLEMAGNE),
发明人
分类号
B66B1/12;B66D5/26;(IPC1-7):E21D/
主分类号
B66B1/12
代理机构
代理人
主权项
地址
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