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公开(公告)号：US3339215A
公开(公告)日：1967-09-05
申请号：US51830265
申请日：1965-01-03
Applicant: FLOOD THOMAS D
Inventor： FLOOD THOMAS D
IPC: E03D11/16
CPC classification number: E03D11/16 , Y10S411/966 , Y10S411/999
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