AT299BAT299DAAT299BAT 299 BAT299 BAT 299BAT 299D AAT299D AAT 299DAAT 299 BAT299 BAT 299B
Authority
AT
Austria
Application number
Inventor
Friedrich Krupp
Original Assignee
Friedrich Krupp
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Publication date
Application filed by Friedrich KruppfiledCriticalFriedrich Krupp
Application grantedgrantedCritical
Publication of AT299BpublicationCriticalpatent/AT299B/de