You are here: Home > Browse the Library > BSP - Bell System Practices (by Doc #) > BSP Categories by later Division Number (by Doc #) > 530 - 559 Private Branch Exchanges > 550 Division - 755A PBX > 550-001-011 Equipment Test List 755A PBX Issue 1 December 1972 Ocr R

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550-001-011 Equipment Test List 755A PBX Issue 1 December 1972 Ocr R

Contributed by Steve Cichorsky.  OCR by Clint Gilliland.

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