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经营范围
发明名称
Hoisting apparatus
摘要
申请公布号
US2307681(A)
申请公布日期
1943.01.05
申请号
US19390284165
申请日期
1939.07.13
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
KALMBACH LLOYD R.
分类号
B66C23/20
主分类号
B66C23/20
代理机构
代理人
主权项
地址
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