HB 1521-1987
Three vertical groove rectangular backing plate (English Version)
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HB 1521-1987
Standard No.
HB 1521-1987
Language
Chinese,
Available in English version
Published By
Professional Standard - Aviation
Latest
HB 1521-1987
Replace
HB 1521-1975
HB 1521-1987 history
1970
HB 1521-1987
Three vertical groove rectangular backing plate
0000
HB 1521-1975
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