BS-SP-18-&-19 › Complete Document History
Specification for washers for aircraft purposes (primarily for use with timber)
Obsolete Revision Information: |
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AMD 4141 - AMENDMENT 2 - April 1, 1984
PD 2575 - AMENDMENT 1 - Sept. 1, 1956 1949 EDITION - REAFFIRMED IN 2012 - Feb. 10, 1949 |