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Identificatie van de kwaliteit van leisteen
1. Flatness inspection Place a steel flat ruler with a straightness tolerance of 0.1mm on the two diagonal lines of the inspected surface naturally, and ...
Hoekinspectiekwaliteit van leisteen
It is measured with a 90 degree steel square with an internal angle perpendicularity tolerance of 0.13mm and an internal angle side length of 500mmx400mm. ...
Inspectie van de uiterlijke kwaliteit van leisteen
1. Steps Use a vernier caliper to measure the height of the steps, and measure the maximum value as the height of the steps. 2. ...
Leisteen Uitstraling Kwaliteit Inspectie Kwaliteit
1. With pattern and color tone, put the qualified board and the tested board flat on the ground, standing at a distance of 1.5m from ...
Toepassing van leisteen in woningverbetering
The scientific name of slate bluestone is limestone. It is the most widely distributed rock among sedimentary rocks. It is produced all over the country. ...
Zijn Graniettegels Goed Voor De Muur Van De Badkamervloer
Are Granite Tiles Good For Bathroom Floor and Wall Paving in Daily Life? Natural granite tiles are attractive, durable and versatile, and come in many ...