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公开(公告)号：US3196643A
公开(公告)日：1965-07-27
申请号：US28376663
申请日：1963-05-28
Applicant: NAT RES DEV
Inventor： ROBERT MOSS LESLIE
IPC: E05B37/00
CPC classification number: E05B37/00 , Y10T70/5336 , Y10T70/7243 , Y10T70/7288 , Y10T70/7299 , Y10T70/7333
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