IT1120465B - Maschera di saldatura per l'unione in posizione di parti di materiale termoplastico
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Maschera di saldatura per l'unione in posizione di parti di materiale termoplastico
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IT1120465B
IT1120465BIT4959279AIT4959279AIT1120465BIT 1120465 BIT1120465 BIT 1120465BIT 4959279 AIT4959279 AIT 4959279AIT 4959279 AIT4959279 AIT 4959279AIT 1120465 BIT1120465 BIT 1120465B
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Fremgangsmaate ved varmeforsegling av et av papp fremstilt og med et aluminiumfoliebelegg forsynt lokk til en beholder av papp, samt innretning for forsegling av lokk paa pappbeholdere.
Appareil pour le soudage a chaud, avec chauffage de separation, de couches minces en matiere thermoplastique, en particulier de feuilles tubulaires, de feuilles en bandes ou analogues