Invention Grant
- Patent Title: Drafting table
- Patent Title (中): 起草表
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Application No.: US22395051Application Date: 1951-05-01
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Publication No.: US2688818APublication Date: 1954-09-14
- Inventor: JOY JOSEPH F
- Applicant: JOY MFG CO
- Assignee: Joy Mfg Co
- Current Assignee: Joy Mfg Co
- Priority: US22395051 1951-05-01; US895348 1948-02-17
- Main IPC: A47B27/00
- IPC: A47B27/00 ; B43L5/02 ; B60B33/06
Information query
