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pen cap air flow testing machine
Selling leads
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... of 1.33KPa, the air ventilation of the pen cap must reach 8L/min), which is a special testing instrument customised for pen cap air permeability ...
2024-12-09 23:42:36
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... of 1.33KPa, the air ventilation of the pen cap must reach 8L/min), which is a special testing instrument customised for pen cap air permeability ...
2024-12-09 23:42:36
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