Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
German
⇄
Danish
Dutch
English
French
Greek
Italian
Portuguese
Spanish
G
o
o
g
l
e
|
Forvo
|
+
Rechtsgültigkeit von Patenten
law
validity of a patent
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
