Drilldown: Patents
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Patents > Office :
DE or
HU
& Applicant firm :
Gothaer Waggonfabrik A. G. or
Société anonyme Astra AB
& Publication date:
1922
& Supplementary to patent :
Patent FR-1911-430455 or
or
None
& CPCs:
CPC B64C3/00
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Showing below up to 1 result in range #1 to #1.