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发明名称
Winch
摘要
申请公布号
US2497603(A)
申请公布日期
1950.02.14
申请号
US19450584850
申请日期
1945.03.26
申请人
JULMER HELSTROM
发明人
HELSTROM JULMER
分类号
B66D1/14
主分类号
B66D1/14
代理机构
代理人
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