CA4560A - Apparaeil de ventilation des egouts et des mines - Google Patents

Apparaeil de ventilation des egouts et des mines

Info

Publication number: CA4560A
Authority: CA; Canada
Prior art keywords: sewers; mines; ventilating
Prior art date: 1875-04-05
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

CA000004560A

Other languages

English (en)

Inventor

Francis Rourk

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

1875-04-05

1875-04-05 Application granted granted Critical

1875-04-05 Publication of CA4560A publication Critical patent/CA4560A/fr

Status Expired legal-status Critical Current

Links

CA000004560A Apparaeil de ventilation des egouts et des mines Expired CA4560A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA4560T

Publications (1)

Publication Number	Publication Date
CA4560A true CA4560A (fr)	1875-04-05

Family

ID=45121116

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000004560A Expired CA4560A (fr)			Apparaeil de ventilation des egouts et des mines

Country Status (1)

Country	Link
CA (1)	CA4560A (fr)

0
- CA CA000004560A patent/CA4560A/fr not_active Expired

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