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HC-49/U-S17734475ABJB HC-49/U-S18432000ABJB
HY17734475M49SOB2T02 无源晶振 17.734475MHz 20pF HC-49S原装正
HC-49/U-S17734475ABJB【CRYSTAL 17.734475MHZ 18PF T/H】
HC-49/U-S17734475ABJB【CRYSTAL 17.734475MHZ 18PF TH】
HY17734475M49SOB2T02 无源晶振 17.734475MHz 20pF HC-49S
HC-49/U-S17734475ABJB/HC-49/U-S18432000ABJB