CA512485A - Forets a verre - Google Patents

Forets a verre

Info

Publication number
CA512485A
CA512485A CA512485A CA512485DA CA512485A CA 512485 A CA512485 A CA 512485A CA 512485 A CA512485 A CA 512485A CA 512485D A CA512485D A CA 512485DA CA 512485 A CA512485 A CA 512485A
Authority
CA
Canada
Prior art keywords
glass drills
drills
glass
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
CA512485A
Other languages
English (en)
Inventor
C. Palmer Wilbur
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
Publication date
Application granted granted Critical
Publication of CA512485A publication Critical patent/CA512485A/fr
Expired legal-status Critical Current

Links

CA512485A Forets a verre Expired CA512485A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512485T

Publications (1)

Publication Number Publication Date
CA512485A true CA512485A (fr) 1955-05-03

Family

ID=35663560

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512485A Expired CA512485A (fr) Forets a verre

Country Status (1)

Country Link
CA (1) CA512485A (fr)

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