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发明名称
Circuit controlling mechanism
摘要
申请公布号
US1906198(A)
申请公布日期
1933.04.25
申请号
US19280283331
申请日期
1928.06.06
申请人
ELEVATOR SUPPLIES COMPANY, INC.
发明人
ORR CARROLL E.
分类号
B66B3/02
主分类号
B66B3/02
代理机构
代理人
主权项
地址
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