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经营范围
发明名称
Perfectionnements aux treuils
摘要
申请公布号
FR985746(A)
申请公布日期
1951.07.23
申请号
FRD985746
申请日期
1949.05.06
申请人
BARRETT-CRAVENS COMPANY
发明人
分类号
B66D1/02;B66D1/06
主分类号
B66D1/02
代理机构
代理人
主权项
地址
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