Category:1928 patents

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    1928 renewal    
    1928 reconstruction     1928 conversions
    1928 restorations     1928 renovations
    1928 repairing     1928 work's replicas
    1928 productions     1928 reproductions
    1928 models     1928 reissue models
    1928 model changed    
    1928 released    
    1928 introductions     1928 re-introductions
    1928 copyrighted    
    1928 developments     1928 discontinuations
    1928 patents    
    1928 inventions    
1928 works    
Phase of product life cycle →
1920s patents 
←
1921
1922
1923
1925
1928
1929
→


Subcategories

This category has the following 2 subcategories, out of 2 total.

R

U

Media in category "1928 patents"

The following 4 files are in this category, out of 4 total.

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