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发明名称
Mirror
摘要
申请公布号
US1885232(A)
申请公布日期
1932.11.01
申请号
US19300489923
申请日期
1930.10.20
申请人
DUPLATE CORPORATION
发明人
COLBERT WILLIAM H.
分类号
C03C17/38
主分类号
C03C17/38
代理机构
代理人
主权项
地址
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