Printing types. Type family Plakatnaya (for alphabets of Russian and roman graphic bases). Range of application. Type face design. Base line
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Printing types. Type family Agate (for alphabets of Russian graphic bases). Range of application. Type face design. Base line. Characters per 4 picas
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Moulding refractory clays. Method for determination of colloidal state
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Moulding clay. Method for the determination of hydrogen ion concentration of water extract
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