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Database: 365,228(8 Aug 2026)
single-hole middle ear middle ear single-hole coal-water slurry gasification units electrical contact pressure vacuum gauges polyethylene composite pipes introductionthis standard
HB 538-1989 in English

HB 538-1989 in English

VALID

Single-hole Middle Ear

  • Issued on:1989-05-13
  • Implemented on:1989-12-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $10.00
$10.00
Standard No: HB 538-1989
Document status: VALID
Title in English: Single-hole Middle Ear
Title in Chinese: 单孔中耳子
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1989-05-13
Implemented on: 1989-12-01
Chinese Classification: V93-Clamping fixtures
Professional Classification: HB-Aviation
Related Keywords: single-hole middle ear
middle
ear
single-hole
Related Topics: Mesopore diameter
list
micropore mesopore
Confucius
Micropores and mesopores
single hole
middle ear
micropores and mesopores
micropore mesopore
Micropore+Mesopore
Mesopore diameter
Medium Pore Low Porosity Classification
in their ears
Whisperer
ear hole
Sample only — not a preview of HB 538-1989
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