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2421171
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Information
Patent Grant
2421171
References
Source
Patent Number
2,421,171
Date Filed
Not available
Date Issued
Tuesday, May 27, 1947
77 years ago
CPC
B61D23/00 - Construction of steps for railway vehicles
B63B3/48 - Decks
B63B29/06 - Fastening to floors
B63B2701/14 - Deck plating, wooden decks for steel ships
Y10T29/496 - Multiperforated metal article making
US Classifications
052 - Static structures
029 - Metal working
D25 - Building units and construction elements
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