CA199032A - Systeme de production du vide - Google Patents

Systeme de production du vide

Info

Publication number
CA199032A
CA199032A CA199032A CA199032DA CA199032A CA 199032 A CA199032 A CA 199032A CA 199032 A CA199032 A CA 199032A CA 199032D A CA199032D A CA 199032DA CA 199032 A CA199032 A CA 199032A
Authority
CA
Canada
Prior art keywords
producing system
vacuum producing
vacuum
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
CA199032A
Other languages
English (en)
Inventor
A. Young Howard
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA199032A publication Critical patent/CA199032A/fr
Expired legal-status Critical Current

Links

CA199032A Systeme de production du vide Expired CA199032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199032T

Publications (1)

Publication Number Publication Date
CA199032A true CA199032A (fr) 1920-04-06

Family

ID=35073469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199032A Expired CA199032A (fr) Systeme de production du vide

Country Status (1)

Country Link
CA (1) CA199032A (fr)

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