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Patents > Applicant firm: None & National tech categories : FR 6.4 or USPC 244/45R

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FR (1563) · DE (232) · US (214) · GB (118) · IT (59) · BE (57) · AT (55) · RU (36) · CH (34) · HU (19) · RO (19) · AU (18) · DZ (16) · CA (14) · ES (9) · NL (9) · DK (8) · VN (7) · None (7)
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None (2291) · Seine (63) · Paris (25) · Nord (20) · Seine-et-Oise (16) · Bouches-du-Rhône (9) · Nièvre (9) · Loire (9) · Rhône (8) · Morbihan (7) · Eure (5) · Maine-et-Loire (5) · Lorient (5) · Alpes-Maritimes (5) · Eure-et-Loir (5) · Loire-Inférieure (4) · Hautes-Pyrénées (4)
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