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CA667489A - Filter unit - Google Patents

Filter unit

Info

Publication number
CA667489A
CA667489A CA667489A CA667489DA CA667489A CA 667489 A CA667489 A CA 667489A CA 667489 A CA667489 A CA 667489A CA 667489D A CA667489D A CA 667489DA CA 667489 A CA667489 A CA 667489A
Authority
CA
Canada
Prior art keywords
filter unit
filter
unit
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
CA667489A
Inventor
Robb James
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.)
BOC Group Ltd
Original Assignee
British Oxigen Ltd
Publication date
Application granted granted Critical
Publication of CA667489A publication Critical patent/CA667489A/en
Expired legal-status Critical Current

Links

CA667489A Filter unit Expired CA667489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA667489T

Publications (1)

Publication Number Publication Date
CA667489A true CA667489A (en) 1963-07-23

Family

ID=35961620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA667489A Expired CA667489A (en) Filter unit

Country Status (1)

Country Link
CA (1) CA667489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115430245A (en) * 2022-09-29 2022-12-06 上海协微环境科技有限公司 Dust catching device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115430245A (en) * 2022-09-29 2022-12-06 上海协微环境科技有限公司 Dust catching device
CN115430245B (en) * 2022-09-29 2024-02-23 上海协微环境科技有限公司 Dust capturing device

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