CA539982A - Epurateur de gaz - Google Patents

Epurateur de gaz

Info

Publication number: CA539982A
Authority: CA; Canada
Prior art keywords: gas filter; filter; gas
Prior art date: 1957-04-23
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

CA539982A

Other languages

English (en)

Inventor

B. Evans Robert

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.)

MSA Safety Inc

Original Assignee

Mine Safety Appliances Co

Publication date

1957-04-23

1957-04-23 Application granted granted Critical

1957-04-23 Publication of CA539982A publication Critical patent/CA539982A/fr

Status Expired legal-status Critical Current

Links

CA539982A Epurateur de gaz Expired CA539982A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA539982T

Publications (1)

Publication Number	Publication Date
CA539982A true CA539982A (fr)	1957-04-23

Family

ID=35694636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA539982A Expired CA539982A (fr)			Epurateur de gaz

Country Status (1)

Country	Link
CA (1)	CA539982A (fr)

0
- CA CA539982A patent/CA539982A/fr not_active Expired

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