Invention Grant
- Patent Title: Testing machine for paint films
- Patent Title (中): 漆膜试验机
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Application No.: US32182340Application Date: 1940-03-02
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Publication No.: US2301733APublication Date: 1942-11-10
- Inventor: MCGOVERN WALTER H
- Applicant: ARMSTRONG CORK CO
- Assignee: Armstrong Cork Co
- Current Assignee: Armstrong Cork Co
- Priority: US32182340 1940-03-02
- Main IPC: G01N33/32
- IPC: G01N33/32
Information query
