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公开(公告)号:US3439384A
公开(公告)日:1969-04-22
申请号:US3439384D
申请日:1966-08-30
Applicant: USM CORP
Inventor: CROSSEN WILLIAM P , YARRISON WALTER W
CPC classification number: B29D35/0018
公开(公告)号:US3439384A
公开(公告)日:1969-04-22
申请号:US3439384D
申请日:1966-08-30
Applicant: USM CORP
Inventor: CROSSEN WILLIAM P , YARRISON WALTER W
CPC classification number: B29D35/0018