Preventive Maintenance: Relays.

Duration: 1 reel

Year Published: 1954

Creator: International Business Machines Corp.

Format: 16mm

Color: B&W

Sound: sound

Complete Record: PREVENTIVE MAINTENANCE: RELAYS. International Business Machines Corp. 1 reel, sd., b&w, 16mm. Appl. author: International Business Machines Corp., employer for hire of Floyd Edward Shaw. © International Business Machines Corp.; 15Jan54 in notice: 1953); MP5184.


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