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1.Process and machine for the manufacture of envelopes of paper or similar material 失效
标题翻译: 用于制造纸张或类似材料的信封的工艺和机器公开(公告)号:US2332544A
公开(公告)日:1943-10-26
申请号:US34240840
申请日:1940-06-26
申请人: ALFRED WINKLER , MAX DUNNEBIER , KARL GELPKE
发明人: ALFRED WINKLER , MAX DUNNEBIER , KARL GELPKE
CPC分类号: B65D27/30 , B31B70/00 , B31B2155/00 , B31B2155/002 , B31B2160/10