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Up: Patent Index 		330,400 · Herr · "Vault Cover and Ventilator" · Drawing
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First: 8,058X · Rockwell · "Vault Light" · Drawing Last: 397,371 · Deutsche Glasbau-Gesellschaft · "Improvements in Moulds for use in the Construction of Floor Slabs, Wall Panels, Pavement Lights, Windows and the like of Glass Framed in Ferroconcrete" · Drawing Prev: 319,592 · Magrath · "Window and Other Glass" · Drawing Next: 333,270 · Wilmer · "Illuminating-Skylight" · Drawing Navigation
Drawings: 253 of 667 		330,400 · Herr · Vault Cover and Ventilator