CA386694A - Sceau a vide - Google Patents

Sceau a vide

Info

Publication number
CA386694A
CA386694A CA386694A CA386694DA CA386694A CA 386694 A CA386694 A CA 386694A CA 386694 A CA386694 A CA 386694A CA 386694D A CA386694D A CA 386694DA CA 386694 A CA386694 A CA 386694A
Authority
CA
Canada
Prior art keywords
vacuum
tight seal
tight
seal
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
CA386694A
Other languages
English (en)
Inventor
Pulfrich Hans
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA386694A publication Critical patent/CA386694A/fr
Expired legal-status Critical Current

Links

CA386694A Sceau a vide Expired CA386694A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA386694T

Publications (1)

Publication Number Publication Date
CA386694A true CA386694A (fr) 1940-02-06

Family

ID=35391915

Family Applications (1)

Application Number Title Priority Date Filing Date
CA386694A Expired CA386694A (fr) Sceau a vide

Country Status (1)

Country Link
CA (1) CA386694A (fr)

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