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发明名称
Construction of drum for hoists, winches and the like
摘要
申请公布号
US2581716(A)
申请公布日期
1952.01.08
申请号
US19460656421
申请日期
1946.03.22
申请人
SASGEN DERRICK CO.
发明人
SASGEN MATTHIAS F.
分类号
B66D1/30
主分类号
B66D1/30
代理机构
代理人
主权项
地址
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