w140.comw140.com/tek_r5030_1969_catalog.pdf · dual-beam oscilloscope tektronix. inc. beaverton....
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w140.comw140.com/tek_r5030_1969_catalog.pdf · dual-beam oscilloscope tektronix. inc. beaverton. oregon, u.s.a. serial intensity ch 1 dual-beam riz magnify push turn position time