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发明名称
Hoisting mechanism
摘要
申请公布号
US1788938(A)
申请公布日期
1931.01.13
申请号
US19290349656
申请日期
1929.03.25
申请人
THE KERNER AUTOMATIC HOIST COMPANY
发明人
ZETTERLUND THEODOR
分类号
B66D1/22
主分类号
B66D1/22
代理机构
代理人
主权项
地址
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