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GB1135796A
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Means for the mixing of materials in a stationary mixing vat with rotating spring-loaded paddles
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GB872881A
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Mixing machine
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GB848829A
|
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Cement mixing machine
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GB878188A
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Cement mixing machine
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US2717147A
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Mixing machines for making concrete or the like
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GB702373A
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Concrete or like mixing machines
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GB667845A
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Manufacture of concrete and the like pipes
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GB629665A
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Machine for making hollow bodies of plastic material
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GB622831A
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Process for manufacturing pipes and other hollow bodies of plastic material
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