CA1243057A - Dispositif de frettage de tuyaux - Google Patents

Info

Publication number

CA1243057A

CA1243057A CA000469311A CA469311A CA1243057A CA 1243057 A CA1243057 A CA 1243057A CA 000469311 A CA000469311 A CA 000469311A CA 469311 A CA469311 A CA 469311A CA 1243057 A CA1243057 A CA 1243057A

Authority

CA

Canada

Prior art keywords

coils

rod

restraint device

end portions

portions

Prior art date

1984-12-04

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

Links

• Espacenet
• Global Dossier
• CIPO
• Discuss

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