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发明名称
Plural filter support and actuating mechanism
摘要
申请公布号
US2660926(A)
申请公布日期
1953.12.01
申请号
US19500155771
申请日期
1950.04.13
申请人
TALLEY MAURICE I
发明人
TALLEY MAURICE I.
分类号
G02B7/00
主分类号
G02B7/00
代理机构
代理人
主权项
地址
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