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DE2839621A1
(de)
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Verpackungsmaschine
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US4616495A
(en)
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Helically-formed pipe winding machine
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US1884658A
(en)
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Spiral pipe machine
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US3183695A
(en)
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Apparatus and process for producing perforated, corrugated, spiral, lock-seam pipe
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PL167971B1
(pl)
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Urzadzenie do wytwarzania z tasmy metalowej rur spawanych ze szwem srubowym PL PL
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US5184674A
(en)
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Inner ribbed tube and method
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US4438808A
(en)
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Heat exchanger tube
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PL44941B1
(OSRAM)
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WO1998015368A1
(en)
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Method and apparatus for skew corrugating foil
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US3090336A
(en)
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Spiral pipe welding machine
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US817026A
(en)
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Paper-winding machine.
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US5108283A
(en)
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Apparatus for winding pipes
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PL179477B1
(pl)
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Sposób i urzadzenie do wytwarzania spiralnie zwijanego przewodu rurowego ze szwem oraz przewód rurowy ze szwem spiralnie zwiniety PL PL PL
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US3499307A
(en)
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Method and apparatus for controlling the diameter of spiral pipe
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US851152A
(en)
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Coiling-machine.
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US5219374A
(en)
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|
Inner ribbed tube and method
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PL69616B1
(OSRAM)
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GB2049147A
(en)
|
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Spine fin tube heat exchangers
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DE2134229C2
(de)
|
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Vorrichtung zum Umwickeln eines Rohres mit U-förmigem Band
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US3722059A
(en)
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Machine for making a heat exchanger tube
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US964595A
(en)
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|
Machine for making flexible tubing.
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JPS6323862B2
(OSRAM)
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BRPI0802712A2
(pt)
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fÁbrica màvel de tubo helicoidal de chapa
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AU562309B2
(en)
|
|
Helically-formed pipe winding machine
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US1531497A
(en)
|
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Method and apparatus for heating long blanks
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