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2022JIS C 60068-2-20:2022 Environmental testing -- Part 2-20: Tests -- Tests Ta and Tb: Test methods for solderability and resistance to soldering heat of devices with leads
2010JIS C 60068-2-20:2010 Environmental testing -- Part 2-20: Tests -- Test T: Test methods for solderability and resistance to soldering heat of devices with leads
1996JIS C 60068-2-20:1996 Basic environmental testing procedures Part 2: Tests. Test T: Soldering