BR8404737A - Sistema de tubulacao de respiro - Google Patents

Sistema de tubulacao de respiro

Info

Publication number
BR8404737A
BR8404737A BR8404737A BR8404737A BR8404737A BR 8404737 A BR8404737 A BR 8404737A BR 8404737 A BR8404737 A BR 8404737A BR 8404737 A BR8404737 A BR 8404737A BR 8404737 A BR8404737 A BR 8404737A
Authority
BR
Brazil
Prior art keywords
pipe system
breath pipe
breath
pipe
Prior art date
Application number
BR8404737A
Other languages
English (en)
Inventor
Joseph R Roche
Original Assignee
Hydril Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hydril Co filed Critical Hydril Co
Priority claimed from PCT/US1984/000013 external-priority patent/WO1984002949A1/en
Publication of BR8404737A publication Critical patent/BR8404737A/pt

Links

BR8404737A 1983-01-17 1984-01-09 Sistema de tubulacao de respiro BR8404737A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45820683A 1983-01-17 1983-01-17
PCT/US1984/000013 WO1984002949A1 (en) 1983-01-17 1984-01-09 Vent line system

Publications (1)

Publication Number Publication Date
BR8404737A true BR8404737A (pt) 1984-12-26

Family

ID=26770009

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8404737A BR8404737A (pt) 1983-01-17 1984-01-09 Sistema de tubulacao de respiro

Country Status (2)

Country Link
BR (1) BR8404737A (pt)
NO (1) NO165651C (pt)

Also Published As

Publication number Publication date
NO843647L (no) 1984-09-14
NO165651C (no) 1991-03-13
NO165651B (no) 1990-12-03

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 09/01/99