DEO0003633MA - - Google Patents

Info

Publication number

DEO0003633MA

DEO0003633MA DEO0003633MA DE O0003633M A DEO0003633M A DE O0003633MA DE O0003633M A DEO0003633M A DE O0003633MA

Authority

DE

Germany

Prior art keywords

eraser

machine

roughening

typewriter

decorative strip

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

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 238000007788 roughening Methods 0.000 claims description 13
• 239000000463 material Substances 0.000 description 2
• KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical class [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
• 229910000831 Steel Inorganic materials 0.000 description 1
• 230000003749 cleanliness Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 230000035515 penetration Effects 0.000 description 1
• 229940072033 potash Drugs 0.000 description 1
• 235000015320 potassium carbonate Nutrition 0.000 description 1
• BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
• 230000002035 prolonged effect Effects 0.000 description 1
• 239000010959 steel Substances 0.000 description 1