Invention Grant
- Patent Title: Planographic printing improvements
- Patent Title (中): 平面印刷改进
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Application No.: US28974263Application Date: 1963-06-21
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Publication No.: US3221650APublication Date: 1965-12-07
- Inventor: GREUBEL PAUL W
- Applicant: INTERCHEM CORP
- Assignee: Interchem Corp
- Current Assignee: Interchem Corp
- Priority: US28974263 1963-06-21
- Main IPC: B41M1/08
- IPC: B41M1/08 ; B41N3/08
Information query
