DE1442967U - - Google Patents

Info

Publication number

DE1442967U

DE1442967U DENDAT1442967D DE1442967DU DE1442967U DE 1442967 U DE1442967 U DE 1442967U DE NDAT1442967 D DENDAT1442967 D DE NDAT1442967D DE 1442967D U DE1442967D U DE 1442967DU DE 1442967 U DE1442967 U DE 1442967U

Authority

DE

Germany

Prior art keywords

signature

teaching

site

maps

visual aids

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Active

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• 230000000007 visual effect Effects 0.000 claims description 5
• 239000000463 material Substances 0.000 claims description 4
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 1
• ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims 1
• 239000011507 gypsum plaster Substances 0.000 claims 1
• 238000004026 adhesive bonding Methods 0.000 description 1
• 235000019219 chocolate Nutrition 0.000 description 1
• 235000019504 cigarettes Nutrition 0.000 description 1
• 239000011505 plaster Substances 0.000 description 1
• 230000010076 replication Effects 0.000 description 1
• 239000007787 solid Substances 0.000 description 1