CA340970A - Appareil a faire le vide - Google Patents

Appareil a faire le vide

Info

Publication number
CA340970A
CA340970A CA340970A CA340970DA CA340970A CA 340970 A CA340970 A CA 340970A CA 340970 A CA340970 A CA 340970A CA 340970D A CA340970D A CA 340970DA CA 340970 A CA340970 A CA 340970A
Authority
CA
Canada
Prior art keywords
producing equipment
vacuum producing
vacuum
equipment
producing
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
CA340970A
Other languages
English (en)
Inventor
M. Graham Harold
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.)
ROSS HEATER AND Manufacturing Co Inc
Original Assignee
ROSS HEATER AND Manufacturing Co Inc
Publication date
Application granted granted Critical
Publication of CA340970A publication Critical patent/CA340970A/fr
Expired legal-status Critical Current

Links

CA340970A Appareil a faire le vide Expired CA340970A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA340970T

Publications (1)

Publication Number Publication Date
CA340970A true CA340970A (fr) 1934-04-17

Family

ID=35312244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA340970A Expired CA340970A (fr) Appareil a faire le vide

Country Status (1)

Country Link
CA (1) CA340970A (fr)

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