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GOST 21294-75
Ejectors for heated core boxes. Design and dimensions
Document status: Active
€10
GOST 21316.1-75
Photocells. Method of measurement of luminous sensitivity
Document status: Active
€10
GOST 21316.7-75
Photocells. Determination method of correspondence of current-illumination characteristic of photocell to given linearity limit
Document status: Active
€10