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发明名称
Elément de sûreté pour boulons, arbres, axes et pièces analogues disposès dans des alésages ou trous de pièces de machines.
摘要
申请公布号
BE582214(A1)
申请公布日期
1960.12.31
申请号
BE19590582214
申请日期
1959.09.01
申请人
POLYPRODUKTE A.G.;WALTER ENGELMANN
发明人
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主分类号
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