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Title:
弾性嵌め止め部材の軸方向の位置決めを介した可変多環減光式偏光フィルターユニット
Document Type and Number:
Japanese Patent JP6370968
Kind Code:
B2
Inventors:
蒙 天培
Application Number:
JP2017129416A
Publication Date:
August 08, 2018
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
蒙 天培
International Classes:
G03B11/00; H04N5/225
Domestic Patent References:
JP62181937U
JP2014052507A
JP11202383A
Foreign References:
WO2016121427A1
CN103941526A
Attorney, Agent or Firm:
特許業務法人 エビス国際特許事務所