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经营范围
发明名称
Braceless panic release, roller latching, revolving door hardware
摘要
申请公布号
US2030547(A)
申请公布日期
1936.02.11
申请号
US19340719390
申请日期
1934.04.06
申请人
INTERNATIONAL DOOR COMPANY
发明人
SHIELDS JOHN W.;HAGENBOOK THURLOE M.
分类号
E06B3/90
主分类号
E06B3/90
代理机构
代理人
主权项
地址
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