Nachrichten／2015-06-07
2015 Re-usable earplugs release to market
RP-33 serial reusable earplugs were tested in accordance with ANSI S3.19-1974 and have NRR24dB. The Soft material provides the wearer a comfortable using experience.
RP-33 serial reusable earplugs were tested in accordance with ANSI S3.19-1974 and have NRR24dB. The Soft material provides the wearer a comfortable using experience.
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