Concept overview
Acoustic coupling devices
Published
Class: 9
Source: USA (USPTO)
common.date:
Reference ID: 009-1269
Scope: 
Taxonomy
- Class 9 >
concept
| Language | Master term | No. of variants | No. of total terms | |
|---|---|---|---|---|
| en | Acoustic coupling devices | 0 | 1 |  |
No. of masters: 1 | No. of variants: 0