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发明名称
Elevator platform leveling system
摘要
申请公布号
US2895568(A)
申请公布日期
1959.07.21
申请号
US19580711591
申请日期
1958.01.28
申请人
DRESSER INDUSTRIES, INC.
发明人
SMITH ROBERT W.;VAUGHAN ROBERT A.
分类号
B66B1/04;E04H6/42
主分类号
B66B1/04
代理机构
代理人
主权项
地址
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