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发明名称
Sash construction
摘要
申请公布号
US1841902(A)
申请公布日期
1932.01.19
申请号
US19280294461
申请日期
1928.07.21
申请人
AARON MARGULIS
发明人
MARGULIS AARON
分类号
E06B3/50
主分类号
E06B3/50
代理机构
代理人
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