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21.Dispensing nozzle structure for photographic processing apparatus 失效
Title translation: 用于摄影处理设备的喷嘴结构公开(公告)号:US3142242A
公开(公告)日:1964-07-28
申请号:US15922761
申请日:1961-12-14
Applicant: POLAROID CORP
Inventor: ERIKSON HERMAN E
IPC: G03B17/52
CPC classification number: G03B17/52
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公开(公告)号:US3120792A
公开(公告)日:1964-02-11
申请号:US9365661
申请日:1961-03-06
Applicant: POLAROID CORP
Inventor: ERIKSON HERMAN E
IPC: G03B17/52
CPC classification number: G03B17/52
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