Folder M-Series - Plant



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M25.75MT Add._IB-se.pdf

M25.75MT Add. IB-se

Addendum, Issue B, 1953-06-01

pdf M25.75MT IC-se Popular

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M25.75MT IC-se

Power Supply Arrangements - P.B.X.'s, Station Systems and Key
Equipments - General Requirements, Issue C, 1946-09-01

(Note: The MT isn't officially part of the BSP number but SE is using the
9-digit plant series method of numbering for clarity.)

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