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PL270756A1
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Flux for use in preparation of brown and black decorative pastes in particular for decoration of glassware and method of preparing such pastes
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PL256855A1
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Bonded flux
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PL241998A1
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Glaze for directly enameling sheet steel goods
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PL238069A1
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Rectangular pulse frequency doubler
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PL236713A1
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Enamel glazes,especially for steel sheet
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PL234392A1
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Enamelling gaze for aluminium and its alloys
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PL234132A1
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Enamelling glaze,especially for steel articles
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PL233371A1
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Method of single-side hot tinning of steel products
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