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Institute Of Sonic Engg Co
21,Charu Chandra Place East,Kolkatta-7000332
Perfect Metal Testing & Inspection Agency
46,Incinerator Road,Dumdum,Kolkatta-7000283
Testing Reserarch Engineering
14,Ramnath Paul Road,Kidderpore,Kolkatta-7000234
Modern Perfect Testing Agency
9e,South Sinthi Road,Kolkatta-7000505
Eldger Laboratories (India)
93,Sovabazar Street,Hatkhola,Kolkatta-7000056
Saha Inspection Agency
13,Deshapriya Nagar,Sinthee,Kolkatta-7000507
Balaji Laboratories
48,Manohar Das Street,Kolkatta-7000078
Test Metal Corporation
5th Floor,Mission Court,25,R N Mukherjee Road,Kolkatta-7000019
Sivananda Electronics
Lg9,P187,Vip Mkt,C.I.T Road,Scheme-Vim,Kolkata-70005410