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DZ/T 0055-1993 English PDF

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DZ/T 0055-1993: Hydrological well drilling hard alloy bit
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DZ/T 0055-1993English559 Add to Cart 3 days [Need to translate] Hydrological well drilling hard alloy bit   DZ/T 0055-1993

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Basic data

Standard ID DZ/T 0055-1993 (DZ/T0055-1993)
Description (Translated English) Hydrological well drilling hard alloy bit
Sector / Industry Geological Industry Standard (Recommended)
Classification of Chinese Standard D81
Word Count Estimation 16,121
Date of Issue 2/19/1993
Date of Implementation 7/1/1993
Quoted Standard GB 222; GB 223; GB 226; GB 231; GB 2106; GB 4775; GB 9809; DZ 1.6
Summary This standard specifies the hydrogeologic and water well (the hydrological wells) drilling carbide drill classification, basic types and dimensions, technical requirements, inspection rules and methods and so on. This standard applies to the hydrological cycle and water well drilling circuitous turn positive drilling carbide drill (hereinafter referred to as alloy drill).

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