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When the test sample of a certain thickness is placed in the open fire of 25KW or 50KW heat source box, the smoke density test box can ...
Wire and cable smoke density tester is used to test the cable or optical cable in the specified combustion conditions, horizontal placement...
Smoke density tester for building materials is used to measure the static smoke density of building materials under the test conditions of ...
Point type smoke fire alarm detector threshold test smoke box, is according to the national standard GB4715-2005 "Point type smoke fire ...
This equipment is in line with GB 4715-2005, applicable to the general industrial and civil buildings installed in the scattered light, t...
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