HAMER, Jeffrey L.,TEETERS, Kenneth F.,THOMAS, Ravi
申请号：
AU2017200603
公开号：
AU2017200603A1
申请日:
2017.01.30
申请国别(地区):
AU
年份:
2017
代理人:
摘要：
#$%^&*AU2017200603A120170216.pdf#####1001709212 EARPLUG WITH TIP CAVITY AND METHODS OF MANUFACTURING THE SAME ABSTRACT Hearing protection devices, e.g., push-to-fit earplugs, having a tip cavity in the sound attenuating body and methods of manufacturing the hearing protection devices are described herein.
