Specification for insulating materials based on mica. Part 3 :
specifications for individual materials. Sheet 4 : polyester film-backed
mica paper with a B-stage epoxy resin binder.
Connectors for frequencies below 3 MHz for use with printed boards. .
Part 4 : two-part connectors for printed boards, having contacts spaced
at 1,91 mm (0,075 in) centres and staggered terminations at that same spacing.