7000 series, 7200 series, 7300 series
C=15。, A=30。, B=40。
Duplex: Back to Back, Face to Face,
Tandem, Flush ground
Bronze, Steel, Nylon retainer
7000 series, 7200 series, 7300 series
C=15。, A=30。, B=40。
Duplex: Back to Back, Face to Face,
Tandem, Flush ground
Bronze, Steel, Nylon retainer
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