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Filing date
Publication date
Application filed by Adolf Dr WelterfiledCriticalAdolf Dr Welter
Application grantedgrantedCritical
Publication of AT89260BpublicationCriticalpatent/AT89260B/en
Respiratory Apparatuses And Protective Means
(AREA)
Treating Waste Gases
(AREA)
Description
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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)
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**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**.
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** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT89260D1919-07-241920-06-05
Process for the preservation of chemicals that change slightly in the air.
AT89260B
(en)