CPC E04H6/44
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CPC E04H6/44 is a patent class for xyz.[1][2]
References
This wiki has 3 patents in category "CPC E04H6/44".
Patents in category CPC E04H6/44
- Patent FR-1910-417864 (English title: Transportable balloon hangar, Supplementary to patent: Patent AT-1910-52573, Filing date: 1910-07-05, Applicant firm: Aktien-Gesellschaft R. Ph. Waagner - L. & J. Biró & A. Kurz)
- Patent FR-1911-431416 (English title: Quick erect and dismantle hangar for aviation aircraft offering no wind resistance, Inventors: Eugène-François Ruchonnet, Filing date: 1911-09-11)
- Patent FR-1913-452484 (English title: Security hangars for aircraft, Inventors: Heinrich Bruns, Jr., Filing date: 1912-12-28)
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