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发明名称
Door control apparatus
摘要
申请公布号
US2953219(A)
申请公布日期
1960.09.20
申请号
US19540477465
申请日期
1954.12.24
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
DREXLER JOHN J.
分类号
B66B13/26
主分类号
B66B13/26
代理机构
代理人
主权项
地址
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