CH562667A5CH1640073ACH1640073ACH562667A5CH 562667 A5CH562667 A5CH 562667A5CH 1640073 ACH1640073 ACH 1640073ACH 1640073 ACH1640073 ACH 1640073ACH 562667 A5CH562667 A5CH 562667A5
Authority
CH
Switzerland
Application number
CH1640073A
Original Assignee
Duss Friedrich Maschf
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Filing date
Publication date
Application filed by Duss Friedrich MaschffiledCriticalDuss Friedrich Maschf
Publication of CH562667A5publicationCriticalpatent/CH562667A5/xx