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LD7-1991 English PDF

US$179.00 ยท 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 IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
LD 7-1991English179 Add to Cart 2 days [Need to translate] Open combined powered dust respirator   LD 7-1991

PDF similar to LD7-1991


Standard similar to LD7-1991

GB 811   GB 2626   DL/T 320   LD/T 07   LD/T 47.1   LD/T 46   

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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