Patents for inventions and the registration of industrial designs
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
London,
1950.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/8DB794AC-26A0-4159-994B-587AD25CBD1D |
| Published: | 1950. |
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