Russian standards PDF
Printing types. Type family Obyknovennaya (for alphabets of Russian and roman graphic bases). Range of application. Design. Bas line. Characters per 4 picas
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Printing types. Type family 'Shkoljnaya' ( for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
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Moulding refractory clays. Generals requirements for tests
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Product reliability index system. Pumping equipment. Basic index nomenclature
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