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ES331334A1
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Improvements in the construction of row heads. (Machine-translation by Google Translate, not legally binding)
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US3449792A
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Blow molding apparatus
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GB1076492A
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Improvements relating to apparatus for and the manufacture of moulded hollow articles
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US3149373A
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Production of hollow moulded articles
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GB987883A
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Improvements in or relating to the production of hollow moulded articles from thermoplastic materials
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US3079637A
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Apparatus for producing hollow articles
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GB926589A
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Improvements in or relating to the production of hollow moulded articles from thermoplastic materials
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CA702775A
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Production of hollow moulded articles
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CA675422A
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Production of hollow moulded articles
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