CH447043A -
Manufacturing process for metal hour signs to be reported
- Google Patents
Manufacturing process for metal hour signs to be reported
Info
Publication number
CH447043A
CH447043ACH374565ACH374565ACH447043ACH 447043 ACH447043 ACH 447043ACH 374565 ACH374565 ACH 374565ACH 374565 ACH374565 ACH 374565ACH 447043 ACH447043 ACH 447043A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Humbert Prince Andre, Duperret PierrefiledCriticalHumbert Prince Andre
Priority to CH374565ApriorityCriticalpatent/CH447043A/en
Publication of CH447043ApublicationCriticalpatent/CH447043A/en