Drilldown: Patents
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Patents > Year filed:
1913
& Filing date:
February 13, 1913
& Publication date:
1900 - 1999
& Supplementary to patent :
Patent GB-1908-4519 or
Patent GB-1911-29012 or
Patent NO-1915-12-15 Carl Alfred Johansson or
& Citations from after 1930:
None
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Showing below up to 1 result in range #1 to #1.