LD7-1991 English PDF

US$179.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email.
LD7-1991: Open combined powered dust respirator

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LD 7-1991	179	Add to Cart	2 days	Open combined powered dust respirator

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Basic data

Standard ID: LD 7-1991 (LD7-1991)
Description (Translated English): Open combined powered dust respirator
Sector / Industry: Chinese Industry Standard
Classification of Chinese Standard: C73
Word Count Estimation: 4,456
Date of Issue: 8/6/1991
Date of Implementation: 7/1/1992
Quoted Standard: GB 2811; GB 2812; GB 3609.1; GB 4015; GB 6220; GB 6221
Summary: This standard provides an integrated electric inlet open content filtering respirators and dust classification, performance and test methods. This standard applies to the job site containing dust and particles in the air. This standard does not apply to air, oxygen content less than 18%; in workplace air contains toxic particles than TJ36 specified places and may cause an explosion.

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