Alternating-current relays for railway signalling : track relays (double-element, 2-position) line relays (single-element, 2-position)

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Language: English Series: BSI 1745 : 1951Publication details: London; BSI; 1951Edition: Description: 13 P; ISBN:
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Item type Current library Call number Status Barcode
Pamphlets Standards Reports Pamphlets Standards Reports Central Library, IITB DBSI 1745 : 1951 Available A1651
Total holds: 0

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