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Application filed by W F L Beth MaschinenfabrikfiledCriticalW F L Beth Maschinenfabrik
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Publication of AT89609BpublicationCriticalpatent/AT89609B/en
<Desc/Clms Page number 1>
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**.
** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT89609D1920-09-301921-08-12
Filters for cleaning air and gases.
AT89609B
(en)