CH566247A5CH456974ACH456974ACH566247A5CH 566247 A5CH566247 A5CH 566247A5CH 456974 ACH456974 ACH 456974ACH 456974 ACH456974 ACH 456974ACH 566247 A5CH566247 A5CH 566247A5
Authority
CH
Switzerland
Application number
CH456974A
Original Assignee
Knothe Fritz Ewald
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Publication date
Application filed by Knothe Fritz EwaldfiledCriticalKnothe Fritz Ewald
Publication of CH566247A5publicationCriticalpatent/CH566247A5/xx