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CA193683A - Lentille a signaux - Google Patents

Lentille a signaux

Info

Publication number
CA193683A
CA193683A CA000193683A CA193683DA CA193683A CA 193683 A CA193683 A CA 193683A CA 000193683 A CA000193683 A CA 000193683A CA 193683D A CA193683D A CA 193683DA CA 193683 A CA193683 A CA 193683A
Authority
CA
Canada
Prior art keywords
signalling
lens
signalling lens
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000193683A
Other languages
English (en)
Inventor
Emillio Pascucci
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of CA193683A publication Critical patent/CA193683A/fr
Expired legal-status Critical Current

Links

CA000193683A 1919-03-12 1919-03-12 Lentille a signaux Expired CA193683A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193683T 1919-03-12

Publications (1)

Publication Number Publication Date
CA193683A true CA193683A (fr) 1919-11-04

Family

ID=45313334

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000193683A Expired CA193683A (fr) 1919-03-12 1919-03-12 Lentille a signaux

Country Status (1)

Country Link
CA (1) CA193683A (fr)

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