Category:1937 patents

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    1937 renewal    
    1937 reconstruction     1937 conversions
    1937 restorations     1937 renovations
    1937 repairing     1937 work's replicas
    1937 productions     1937 reproductions
    1937 models     1937 reissue models
    1937 model changed    
    1937 released    
    1937 introductions     1937 re-introductions
    1937 copyrighted    
    1937 developments     1937 discontinuations
    1937 patents    
    1937 inventions    
1937 works    
Phase of product life cycle →
1930s patents 
←
1930
1932
1934
1935
1936
1937
1938
1939
→


Subcategories

This category has only the following subcategory.

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