HB 1802-1978
Trapezoid ring (English Version)
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HB 1802-1978
Standard No.
HB 1802-1978
Language
Chinese,
Available in English version
Published By
Professional Standard - Aviation
Status
Withdraw
Replace By
HB 1802-1987
Latest
HB 1802-2000
HB 1802-1978 history
2000
HB 1802-2000
Trapezoid ring
1970
HB 1802-1987
Trapezoid ring
1970
HB 1802-1978
Trapezoid ring
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