A process for blow moulding of thermoplastic resins
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Retaining valve for bottles (cylinders) of liquefied gas
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Device for blow-moulding the base of hollow bodies made from thermoplastic resin
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Machine for blow-moulding thermoplastic resins
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Process for blow-moulding thermoplastic resins
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Apparatus for molding thermoplastic resins by blowing
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Improvements in the provisions for retention of tensioned rods in the assembly of concrete. (Machine-translation by Google Translate, not legally binding)
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Improvements in the devices for the pretension of rods in armed concrete. (Machine-translation by Google Translate, not legally binding)