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经营范围
发明名称
Yieldable door
摘要
申请公布号
US3146826(A)
申请公布日期
1964.09.01
申请号
US19620236081
申请日期
1962.11.07
申请人
ECKEL OLIVER C
发明人
ECKEL OLIVER C.
分类号
E06B3/80
主分类号
E06B3/80
代理机构
代理人
主权项
地址
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