IS 12714 : 1989 : Bi-metallic Tape for Electrical Contacts
UDC 669 - 419.4: 621.39 | SMDC 13 |
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Reaffirmed 2021 |
1 SCOPE
1.1 This standard covers silver -palladium bimetallic tap used in telecommunication industry, for the rotary dial, as a contact to be welded on the spring.