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DIN 28426-1:1983-08

Отменен
Vacuum technology; acceptance specifications for rotary plunger vacuum pumps, sliding vane rotary vacuum pumps and rotary piston vacuum pumps for the ranges of rough and medium vacuum — 12 стр.
DIN 28426-1:1976-03
Отменен
DIN 28426-1:1983-08
Отменен