HB 506-1989
Column (300×600×300) (English Version)
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HB 506-1989
Standard No.
HB 506-1989
Language
Chinese,
Available in English version
Release Date
1989
Published By
Professional Standard - Aviation
Latest
HB 506-1989
Replace
HB 506-1974
HB 506-1989 history
1989
HB 506-1989
Column (300×600×300)
1970
HB 506-1974
Column (300×600×300)
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