| | B.W. Timmerman plattegrond | | | Glazenwassers | Adres: Turkooisstraat 31, 9743 KX Groningen Telefoon: 050-5717495 | | | | | | | | | |
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| | C.N. Langbroek plattegrond | | | Glazenwassers | Adres: Groen van Prinstererlaan 31, 9722 PP Groningen Telefoon: 050-5277180 | | | | | | | | | |
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| | Dick's Glazenwasserij plattegrond | | | Glazenwassers | Adres: Eeldersingel 9, 9726 AP Groningen | | | | | | | | | |
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| | | Glazenwassers | Adres: Mast 14, 9733 HE Groningen Telefoon: 050-5418839 | | | | | | | | | |
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| | G.K.J. Onderhoud plattegrond | | | Glazenwassers | Adres: Betje Wolffstraat 36, 9721 RS Groningen | | | | | | | | | |
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| | Glas Glazenwas plattegrond | | | Glazenwassers | Adres: Atensheerd 75, 9737 TD Groningen | | | | | | | | | |
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| | Glazenwasbedrijf Bartje plattegrond | | | Glazenwassers | Adres: Zonland 3, 9734 BL Groningen | | | | | | | | | |
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| | Glazenwasbedrijf Hessam plattegrond | | | Glazenwassers | Adres: Dukdalf 19, 9732 BJ Groningen | | | | | | | | | |
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| | Glazenwasbedrijf Quick & Clean plattegrond | | | Glazenwassers | Adres: Juisterrif 42, 9931 BM Delfzijl Telefoon: 0596-650726 | | | | | | | | | |
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| | Glazenwasserij Smittenberg plattegrond | | | Glazenwassers | Adres: Maluslaan 10, 9741 LL Groningen Telefoon: 050-5712330 | | | | | | | | | |
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