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经营范围
发明名称
Electric door operator
摘要
申请公布号
US2661945(A)
申请公布日期
1953.12.08
申请号
US19510256864
申请日期
1951.11.17
申请人
CONSOLIDATED CAR-HEATING COMPANY, INC.
发明人
HAMILTON WALLACE
分类号
E05F15/10
主分类号
E05F15/10
代理机构
代理人
主权项
地址
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