DE1437274U - - Google Patents

Info

Publication number

DE1437274U

DE1437274U DENDAT1437274D DE1437274DU DE1437274U DE 1437274 U DE1437274 U DE 1437274U DE NDAT1437274 D DENDAT1437274 D DE NDAT1437274D DE 1437274D U DE1437274D U DE 1437274DU DE 1437274 U DE1437274 U DE 1437274U

Authority

DE

Germany

Prior art keywords

button

filter

fabric

layers

daduroh

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

• 239000004744 fabric Substances 0.000 claims description 10
• 239000002184 metal Substances 0.000 claims description 2
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 1
• 239000011324 bead Substances 0.000 claims 1
• 230000006835 compression Effects 0.000 claims 1
• 238000007906 compression Methods 0.000 claims 1
• 239000000428 dust Substances 0.000 description 3
• 239000000463 material Substances 0.000 description 2
• 241000283690 Bos taurus Species 0.000 description 1
• 238000004887 air purification Methods 0.000 description 1
• 230000005540 biological transmission Effects 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 210000004905 finger nail Anatomy 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 239000004071 soot Substances 0.000 description 1