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1.Apparatus and method for transverse heat-sealing plastic webbing 失效
Title translation: 用于横向热封塑料网的装置和方法公开(公告)号:US3466979A
公开(公告)日:1969-09-16
申请号:US3466979D
申请日:1967-05-08
Applicant: PAPER CONVERTING MACHINE CO
Inventor: SANDERS CHARLES J , MERKATORIS JOHN R
CPC classification number: B29C66/81457 , B29C65/224 , B29C65/228 , B29C66/0044 , B29C66/1122 , B29C66/346 , B29C66/4312 , B29C66/71 , B29C66/8122 , B29C66/81422 , B29C66/81811 , B29C66/81821 , B29C66/81871 , B29C66/8322 , B29K2827/18 , B29K2023/06