CA457306A - Fabrication de soupapes a vide - Google Patents

Fabrication de soupapes a vide

Info

Publication number
CA457306A
CA457306A CA457306A CA457306DA CA457306A CA 457306 A CA457306 A CA 457306A CA 457306 A CA457306 A CA 457306A CA 457306D A CA457306D A CA 457306DA CA 457306 A CA457306 A CA 457306A
Authority
CA
Canada
Prior art keywords
making
same
hollow valve
hollow
valve
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
CA457306A
Other languages
English (en)
Inventor
Lequais Emile
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 CA457306A publication Critical patent/CA457306A/fr
Expired legal-status Critical Current

Links

CA457306A Fabrication de soupapes a vide Expired CA457306A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA457306T

Publications (1)

Publication Number Publication Date
CA457306A true CA457306A (fr) 1949-06-07

Family

ID=35575045

Family Applications (1)

Application Number Title Priority Date Filing Date
CA457306A Expired CA457306A (fr) Fabrication de soupapes a vide

Country Status (1)

Country Link
CA (1) CA457306A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263799A (en) * 1979-07-19 1981-04-28 Torazi Motizuki Method and machine for forming a lump on the end of a pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263799A (en) * 1979-07-19 1981-04-28 Torazi Motizuki Method and machine for forming a lump on the end of a pipe

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