E27 lamp holder test gauge
DIN EN ISO10664 torx plug go no go gauge T10/T20/T30
lamp holder E14 E27 0.5mm temperature rise measuring nickel
IEC60335--2-9 fig104 6mm thickness steel disk measuring the
iec60335 fig 104 fig103 electric range aluminum test vessel
iec60884 fig20 Flexible cord retention force test apparatus
E14 cap Gauge
IEC60884 plug socket Torque resistance strength test device
DIN EN ISO10664 torx go no go thread gauge
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