Drilldown: Patents
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Patents > Year filed:
1900
& Office:
BE
& Applicant type
:
COMPANY + INDIV
or
INDIV
or
INIV
or
UNIV-PRO-GOV
& Filing date:
1900 - 1909
& Supplementary to patent
:
Patent BE-1909-214032
or
Patent NO-1915-12-15 Carl Alfred Johansson
or
Patent SE-1906-23283
or
or
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