Drilldown: Patents

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Patents > Grant date: 1900 - 1999 & Granted: Yes & Cites these patents : 1908 or None

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US (3266) · FR (3263) · DE (1253) · GB (1209) · None (504) · AT (297) · IT (206) · HU (178) · CH (134) · BE (133) · CA (105) · RU (102) · AU (68) · NL (42) · RO (40) · ES (37) · SE (36) · MX (35) · AH (29) · DZ (27)
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