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US Trademark Classification

Acoustic membranes 009-749

声学膜

Chinese 声学膜
English Acoustic membranes
Spanish Membranas acústicas
Term ID
009-749
Class
09
Type
Goods
Status
Active · modified since entry (M)
Effective date
2002-01-01
Version
08-2002

Official English notes

Specification of use was deleted from this entry because the item is clearly stated and is always used in sound recording or reproducing apparatus, all of which are in Class 9.