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Sayeban (canpopy) during wet cleaning with deionised water and a special formulated detergent | ![]() |
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Sayeban (canpopy) during wet cleaning with deionised water and a special formulated detergent |
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| Before the wet cleaning treatment was carried out, the badly damaged areas of fabric were protected with a covering of net in the workshop in Helmstedt | ![]() |
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| Sayeban (canpopy) during wet cleaning with deionised water and a special formulated detergent | ![]() |
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