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US2251109A
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Method of producing highly lustrous hollow bodies from acetyl cellulose and like plastic substances
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Production of hollow articles
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Method of producing highly lustrous hollow bodies from cellulose products and other substances
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Production of hollow articles
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Method of and apparatus for producing hollow bodies
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Method of producing seamless hollow bodies
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Cover or closure means for liftable and lowerable immersion baths
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Apparatus for producing hollow articles by immersion
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Apparatus for producing articles from dissolved plastic substances by immersion
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Method of producing waterproof films and hollow bodies
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Immersible mold for the production of hollow molded articles
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