Glass Filter Rod_複製
Full glass filter
Appearance patent: 201630653860.5
Functional patent : 201621324564.1
Glass filter - with spring
Appearance patent: 201630653862.4
Functional patent : 201621324565.6
Full glass filter
Appearance patent: 201630653860.5
Functional patent : 201621324564.1
Glass filter - with spring
Appearance patent: 201630653862.4
Functional patent : 201621324565.6