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发明名称
Glass filter and method of making it
摘要
申请公布号
US2160571(A)
申请公布日期
1939.05.30
申请号
US19360082341
申请日期
1936.05.28
申请人
CORNING GLASS WORKS
发明人
BATES HARRY CLIFFORD
分类号
主分类号
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