Drilldown: Patents
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Patents > Office:
US
& Inventor country :
AU or
US
& Applicant firm :
Société anonyme Astra AB or
None
& Filing date:
1900 - 1909
& Publication date:
0 - 99
& National tech categories :
USPC 244/22 or
USPC 244/80
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.