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APT Conference Workshop: Injection Grouts for the Conservation of Architectural Surfaces Workshop participants during hands-on laboratory exercises with injection grouts, May 2009. Photo: Elise Yakuboff. |
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APT Conference Workshop: Injection Grouts for the Conservation of Architectural Surfaces Workshop participants during hands-on laboratory exercises with injection grouts, May 2009. Photo: Elise Yakuboff. |
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