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发明名称
Elevator control
摘要
申请公布号
US1937798(A)
申请公布日期
1933.12.05
申请号
US19310539114
申请日期
1931.05.21
申请人
CUTLER-HAMMER, INC.
发明人
STANSBURY CARROLL;BROWN GLENDON C.
分类号
B66B1/16
主分类号
B66B1/16
代理机构
代理人
主权项
地址
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