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State system for ensuring the uniformity of measurements. Hydrophones. General requirements to properties for measurements of ultrasonic fields in the frequency range up to 40 MHz
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Automobile roads of general use. Petroleum based bitumen binders. Method of aging under the action of pressure and temperature (PAV)
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Cylindrical helical compression (tension) springs of 1class and of 3 category made of round steel. Main parameters of coils
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Royal jelly. Method for determination of decenoic acids
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