DE1346940U - - Google Patents

Info

Publication number

DE1346940U

DE1346940U DENDAT1346940D DE1346940DU DE1346940U DE 1346940 U DE1346940 U DE 1346940U DE NDAT1346940 D DENDAT1346940 D DE NDAT1346940D DE 1346940D U DE1346940D U DE 1346940DU DE 1346940 U DE1346940 U DE 1346940U

Authority

DE

Germany

Prior art keywords

paper

forms

carbon paper

marked

rod

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.)

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• 150000003839 salts Chemical class 0.000 claims 1
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
• 229910052799 carbon Inorganic materials 0.000 description 14
• 239000003245 coal Substances 0.000 description 2
• 241000350481 Pterogyne nitens Species 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 238000002372 labelling Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 230000000284 resting effect Effects 0.000 description 1
• 239000010959 steel Substances 0.000 description 1