Invention Grant
- Patent Title: Method and device for developing
- Patent Title (中): 开发方法和装置
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Application No.: US10690836Application Date: 1936-10-21
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Publication No.: US2172783APublication Date: 1939-09-12
- Inventor: HENDRIK ALINK ROELOF JAN , JOHANNES ANINGA
- Applicant: PHILIPS NV
- Assignee: Philips Nv
- Current Assignee: Philips Nv
- Priority: DE2172783X 1936-05-29
- Main IPC: G03D7/00
- IPC: G03D7/00
Public/Granted literature
Information query
