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发明名称
Screen
摘要
申请公布号
US1833745(A)
申请公布日期
1931.11.24
申请号
US19290372475
申请日期
1929.06.20
申请人
DAVID TRAMBATT;ANDREW KADUNC
发明人
GRALINSKI JOSEPH
分类号
E06B9/54
主分类号
E06B9/54
代理机构
代理人
主权项
地址
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