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1.Improvements imparted to stoppers for vessels of thermoplastic material 失效
Title translation: 赋予热塑性材料容器的阻塞物的改进公开(公告)号:US3015404A
公开(公告)日:1962-01-02
申请号:US441060
申请日:1960-01-25
Applicant: PLAX CORP
Inventor: CHARLES WUYCKENS JEAN JOSEPH
IPC: B65D1/02
CPC classification number: B65D1/023