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Defective plug

  • DBP_1971_699_Unfallverh%25C3%25BCtung_Steckverbinder.jpg
  • Colnect-1539-472-Defective-plug.jpg
Short desc: Defective plug




This design is used by 2 stamps: (See all uses as list)
Berlin 9/10/1971 40(pf) dprose issue=1971b
Germany 6/20/1972 40(pf) red issue=1971b

All are dt=accident prevention perf=14