NAVY MIL-F-21424 A VALID NOTICE 1-1988 FILTERS POLARIZING (FOR OPTICAL INSTRUMENTS)《用于光学仪器的偏振滤光镜》.pdf

I INCH-POUND 1 MI L- F- 21424A ( OS) NOTICE 1 7 September 1988 MILITARY SPECIFICATION FILTERS , POLARIZING (FOR OPTICAL INSTRUMENTS) MIL-F-21424A(OS) , dated 31 July 1975, has been reviewed and determined to be valid for use in acquisition. Preparing Activity: Navy - OS AMSC N/A FSC 1240 DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-