CA446668A - Derivometre - Google Patents

Derivometre

Info

Publication number
CA446668A
CA446668A CA446668A CA446668DA CA446668A CA 446668 A CA446668 A CA 446668A CA 446668 A CA446668 A CA 446668A CA 446668D A CA446668D A CA 446668DA CA 446668 A CA446668 A CA 446668A
Authority
CA
Canada
Prior art keywords
drift meter
drift
meter
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
CA446668A
Other languages
English (en)
Inventor
Stephen Doba, Jr.
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA446668A publication Critical patent/CA446668A/fr
Expired legal-status Critical Current

Links

CA446668A Derivometre Expired CA446668A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA446668T

Publications (1)

Publication Number Publication Date
CA446668A true CA446668A (fr) 1948-02-10

Family

ID=35564345

Family Applications (1)

Application Number Title Priority Date Filing Date
CA446668A Expired CA446668A (fr) Derivometre

Country Status (1)

Country Link
CA (1) CA446668A (fr)

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