Gell, P. V. W., Gould, C. E., Hampton, W. M., Martin, H. S., & Chance Brothers & Co Ltd. 1928. Glass transparent to ultra-violet rays: Patent gb0312728. Patent Office UK GB0312728. |
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Last edited by: biblioadmin 2010-12-23 14:26:49 |
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Gell, P. V. W., Gould, C. E., Hampton, W. M., Martin, H. S., & Chance Brothers & Co Ltd. 1925. Ultra-violet ray absorbing glass: Patent gb0156737. Patent Office UK GB0156737. |
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Last edited by: biblioadmin 2010-12-23 14:29:01 |
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