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287T328S253A11旋转式电位计，变阻器287T328S501A11
287T328S501A11【POT 500 OHM 2W CERMET LINEAR】
287T328S253A11 287T328S501A11 287T328S504A11
287T328S253A11/287T328S501A11/287T328S504A11
287T328S501A11「POT 500 OHM 2W CERMET LINEAR」电位器
