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发明名称
Track for overhead door hangers
摘要
申请公布号
US2131784(A)
申请公布日期
1938.10.04
申请号
US19360110838
申请日期
1936.11.14
申请人
ELEVATOR SUPPLIES COMPANY, INCORPORATED
发明人
NOCK HARRY
分类号
E05D15/06
主分类号
E05D15/06
代理机构
代理人
主权项
地址
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