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公开(公告)号：US4053808A
公开(公告)日：1977-10-11
申请号：US741376
申请日：1976-11-12
Applicant: Jack Peacock
Inventor： Jack Peacock
Abstract: An electron beam collimator formed by two pairs of multi-leaved corner plates connected by slideable members permitting the dimensions of the collimator to be altered.
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