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DE1173618B
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Process for the production of hollow foundry cores from fast-hardening sands as well as a core molding device for carrying out the process
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DE1144881B
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Blowing or shooting machine for filling molding or core boxes with molding or core sand using compressed air
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DE1057293B
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Core box for use on core forming machines
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DE1058226B
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Mold for the production of moldings for foundry purposes
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DE1034822B
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Device for hardening solidification sands in the manufacture of foundry cores and foundry molds
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GB238869A
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Improvements in connection with crushing and separating apparatus
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GB231911A
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Improvements in dust and like feeding devices
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GB216886A
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Improvements in crushing-mills
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