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发明名称
Rouleau de retour et ses éléments interchangeables formant des hélices d'appui fractionnées et inverses, pour les bandes et courroies transporteuses
摘要
申请公布号
FR1341969(A)
申请公布日期
1963.11.02
申请号
FR19624208582
申请日期
1962.12.27
申请人
CLAUDE DAVID ET SES FILS
发明人
分类号
B65G39/02
主分类号
B65G39/02
代理机构
代理人
主权项
地址
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