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公开(公告)号：US3360121A
公开(公告)日：1967-12-26
申请号：US56712166
申请日：1966-07-22
Applicant: ALUMINUM CO OF AMERICA
Inventor： ZOELLER RICHARD J , LAZURE FRANK S , WALKER ROBERT L
CPC classification number: A47G21/004 , B65D81/00 , Y10S206/82
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