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US Trademark Classification

Hydrophones 009-4364

水听器

Chinese 水听器
English Hydrophones
Spanish Hidrófonos
Term ID
009-4364
Class
09
Type
Goods
Status
Active · added, not since modified (A)
Effective date
2013-01-24
Version
10-2013

Official English notes

This term refer to microphones used for underwater acoustic measurements, signal detection or recording.