pdf Automatic Electric Technical Bulletin 500-407 Leich Type 40 and Type 80 PABX, 1964 Popular

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Automatic Electric Technical Bulletin 500-407 Leich Type 40 and Type 80 PABX, 1964

From the collection of the JKL Museum of Telephony - Scanned by Jim Churchill

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pdf Automatic Electric Technical Bulletin 500-407 Leich Type 40 and Type 80 PABX, 1964 Popular

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