CA663254A - Vacuum lock - Google Patents

Vacuum lock

Info

Publication number
CA663254A
CA663254A CA663254A CA663254DA CA663254A CA 663254 A CA663254 A CA 663254A CA 663254 A CA663254 A CA 663254A CA 663254D A CA663254D A CA 663254DA CA 663254 A CA663254 A CA 663254A
Authority
CA
Canada
Prior art keywords
vacuum lock
lock
vacuum
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
CA663254A
Inventor
E. Burdg Charles
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
Publication date
Application granted granted Critical
Publication of CA663254A publication Critical patent/CA663254A/en
Expired legal-status Critical Current

Links

CA663254A Vacuum lock Expired CA663254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA663254T

Publications (1)

Publication Number Publication Date
CA663254A true CA663254A (en) 1963-05-14

Family

ID=35957369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA663254A Expired CA663254A (en) Vacuum lock

Country Status (1)

Country Link
CA (1) CA663254A (en)

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