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(!!) EF80=6BX6 Mullard UK "D" getter NOS 1963 faded Mullard logo (10.6ma)
(!!) EF80=6BX6 RTC by EI Yugoslavia NOS 1976 (14ma)
EF80 Lorenz made in Philips Italy NOS 1967 (7ma)
EF80=6BX6 Sylvania Made in England unknown maker NOS 1970's (19.5ma)