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发明名称
Controlling means for hoists and winches
摘要
申请公布号
US2279597(A)
申请公布日期
1942.04.14
申请号
US19390289035
申请日期
1939.08.08
申请人
FREDRIK SELMER JOHAN
发明人
SELMER JOHAN FREDRIK
分类号
B66D5/26
主分类号
B66D5/26
代理机构
代理人
主权项
地址
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