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胶片观察器 底片观察用光源
filmviewer
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底片观察用光源
film viewer
detail>>
胶片观察器
film viewer
detail>>
底片评片灯 观片灯 底片观察用光源
film viewer
detail>>
缩微胶片观察器
microfiche viewer
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度片观察器
film viewer
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底片观察灯
film illuminator negatoscope
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底片观察盒
negatoscope
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胶片观察屏
film viewing screen
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底片观察器的反光板
film viewer reflector
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缩微卡片观察器
microfiche viewer
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射线胶片观察灯
x-ray film illuminator x
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底片观察灯底片检验镜
viewing lantern
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玻片观察孔
plate glass window plate-glass window
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影片观察仪
film viewer
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胶片映光器,胶片观察灯
film illuminator
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玻璃片观察孔
plate-glass window
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x线照片观察灯
film observation equipment
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