Invention Grant
- Patent Title: Method and apparatus for valving bags
- Patent Title (中): 阀袋方法及装置
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Application No.: US27652128Application Date: 1928-05-10
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Publication No.: US1719009APublication Date: 1929-07-02
- Inventor: HARTMAN CARL H
- Applicant: ST REGIS PAPER CO
- Assignee: St Regis Paper Co
- Current Assignee: St Regis Paper Co
- Priority: US27652128 1928-05-10
- Main IPC: B31B19/84
- IPC: B31B19/84
Information query
