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发明名称
Pintle control mechanism for revolving doors
摘要
申请公布号
US2120746(A)
申请公布日期
1938.06.14
申请号
US19370120818
申请日期
1937.01.15
申请人
INTERNATIONAL DOOR COMPANY
发明人
HAGENBOOK THURLOE M.
分类号
E06B3/90
主分类号
E06B3/90
代理机构
代理人
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地址
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