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发明名称
Dispositif de verrouillage pour les crochets d'appareils de levage
摘要
申请公布号
FR1155763(A)
申请公布日期
1958.05.08
申请号
FRD1155763
申请日期
1956.08.13
申请人
UNITED STATES STEEL CORPORATION
发明人
分类号
B66C1/34
主分类号
B66C1/34
代理机构
代理人
主权项
地址
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