EXPANSION ALLOY - ALLOY 50 (FE-NI50 | 4J50) – CONTROLLED EXPANSION ALLOY FOR ELECTRIC VACUUM SEALING 2025-05-01T09:05:02 2025-05-01T09:05:02 PARMANU DHATU NIGAM

PARMANU DHATU NIGAM

EXPANSION ALLOY - ALLOY 50 (FE-NI50 | 4J50) – CONTROLLED EXPANSION ALLOY FOR ELECTRIC VACUUM SEALING