CPC E04C2003/0434
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CPC E04C2003/0434 is a patent class for xyz.[1][2]
References
This wiki has 1 patents in category "CPC E04C2003/0434".
Patents in category CPC E04C2003/0434
- Patent GB-1918-125748 (English title: Construction of metal spars and longerons for aircraft, Inventors: Dermot Joseph Mooney, Filing date: 1918-04-24)
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