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发明名称
Composite door
摘要
申请公布号
US2160151(A)
申请公布日期
1939.05.30
申请号
US19370163364
申请日期
1937.09.11
申请人
FRED A. JOHNSON
发明人
JOHNSON FRED A.
分类号
E06B3/70;E06B3/82
主分类号
E06B3/70
代理机构
代理人
主权项
地址
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