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Priority claimed from DE1904166725Dexternal-prioritypatent/DE166725C/de
Application filed by Oskar Dr ZahnfiledCriticalOskar Dr Zahn
Application grantedgrantedCritical
Publication of AT25760BpublicationCriticalpatent/AT25760B/en
<Desc/Clms Page number 1>
EMI1.1
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
EMI1.1
EMI1.2
** 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 **.
AT25760D1904-03-091906-01-27
System for preheating the heating gas and the combustion air of gas heating systems.
AT25760B
(en)