DE1291434U - - Google Patents

Info

Publication number

DE1291434U

DE1291434U DENDAT1291434D DE1291434DU DE1291434U DE 1291434 U DE1291434 U DE 1291434U DE NDAT1291434 D DENDAT1291434 D DE NDAT1291434D DE 1291434D U DE1291434D U DE 1291434DU DE 1291434 U DE1291434 U DE 1291434U

Authority

DE

Germany

Prior art keywords

etching

blade

aufdruok

sound

etched

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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• 239000002184 metal Substances 0.000 claims description 8
• 238000005530 etching Methods 0.000 claims description 6
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 1
• 229910001092 metal group alloy Inorganic materials 0.000 claims 1
• 239000011248 coating agent Substances 0.000 description 5
• 238000000576 coating method Methods 0.000 description 5
• BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 150000003839 salts Chemical group 0.000 description 1
• 229910052711 selenium Inorganic materials 0.000 description 1
• 239000011669 selenium Substances 0.000 description 1