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Up: Patent Index 		628,821 · Lasch · "Hollow Glass Block" · 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: 627,848 · Fugman · "Glass Prism-Plate" · Drawing Next: 629,197 · Mark · "Vault-Light or Illumination-Tile" · Drawing Navigation
Drawings: 627 of 667 		Lasch · Hollow Glass Block