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发明名称
Releasing type hook
摘要
申请公布号
US2595450(A)
申请公布日期
1952.05.06
申请号
US19490128512
申请日期
1949.11.21
申请人
COFFING HOIST COMPANY
发明人
COFFING FREDRICK W.
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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