| 摘要 |
FIELD: nondestructive inspections of equipment using roentgen radiation. ^ SUBSTANCE: proposed device incorporating capability of viewing luminous laser strips in presence of fixed laser-beam shielding components has double-end radiating laser installed at intersection point of optical axes of laser and X-ray beams and distance indicating means. Device is characterized in that it has two additional reflectors mounted symmetrically to one another relative to X-ray beam axis for synchronous rotation in opposing directions. ^ EFFECT: enhanced measurement accuracy at long distances. ^ 1 cl, 2 dwg
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