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PCE
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CPC Subgroup
G21F 5/04

Means for controlling exposure, e.g. time, size of aperture (controlling exposure to X-radiation H05G1/30)

Full Title

Transportable or portable shielded containers > with provision for restricted exposure of a radiation source within the container > Means for controlling exposure, e.g. time, size of aperture (controlling exposure to X-radiation H05G1/30)