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发明名称
Hinge construction for upward acting doors
摘要
申请公布号
US2263995(A)
申请公布日期
1941.11.25
申请号
US19400355800
申请日期
1940.09.07
申请人
CRAWFORD DOOR COMPANY
发明人
KATULSKI STEPHEN S.
分类号
E05D15/16;E05D15/24
主分类号
E05D15/16
代理机构
代理人
主权项
地址
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