CA417513A - Dispositif d'obstruction dans tuyau - Google Patents

Dispositif d'obstruction dans tuyau

Info

Publication number
CA417513A
CA417513A CA417513A CA417513DA CA417513A CA 417513 A CA417513 A CA 417513A CA 417513 A CA417513 A CA 417513A CA 417513D A CA417513D A CA 417513DA CA 417513 A CA417513 A CA 417513A
Authority
CA
Canada
Prior art keywords
obstructing device
pipe
pipe obstructing
obstructing
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
CA417513A
Other languages
English (en)
Inventor
E. Mathey Alcide
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 CA417513A publication Critical patent/CA417513A/fr
Expired legal-status Critical Current

Links

CA417513A Dispositif d'obstruction dans tuyau Expired CA417513A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417513T

Publications (1)

Publication Number Publication Date
CA417513A true CA417513A (fr) 1944-01-04

Family

ID=35526761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417513A Expired CA417513A (fr) Dispositif d'obstruction dans tuyau

Country Status (1)

Country Link
CA (1) CA417513A (fr)

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