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发明名称
Perfectionnements apportés aux dispositifs utilisés pour assurer la sécurité desassemblages de pièces mécaniques
摘要
申请公布号
FR681460(A)
申请公布日期
1930.05.15
申请号
FRD681460
申请日期
1929.09.09
申请人
发明人
VELLA MARIE-ANTOINE
分类号
F16C9/04
主分类号
F16C9/04
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