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The purpose of BS EN 2349-305 is to measure bounce time of relays and contactors used in aerospace applications
Quantitative criteria for acceptable performance should be established by agreement between manufacturer and user
complying with BS 812-103
The main dimensions of the profile threads for weaver’s beams and the specifications for connections for automation of beam changing are also given
ALDC 1024-Byte History Buffer: 4
Microscopes. Designation of microscope objectives - Flatness of field/Plan Ingestion-build-44680 The purpose of BS EN1 Scope This part of ISO 19012 specifies the use of the marking Plan on microscope objectives, and defines the diameter of the sharp region of the primary image of a flat object surface. This part of ISO 19012 applies to visual observation using the combination of objective lens, tube lens and eyepiece, as specified by the manufacturer. This marking is consistent with ISO 8578. NOTE The flatness of the image field does not imply any degree of
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