澳洲5官方直播
MIL-PRF-22191F, TYPE.1 NSN# 8135-00-079-2415 PERFORMANCE SPECIFICATION: BARRIER MATERIALS, TRANSPARENT, FLEXIBLE, HEAT-SEALABLE (31 MAR 2008) [SUPERSEDING MIL-B-22191D]., This specification establishes the requirements for transparent, flexible, heat-sealable barrier materials that are watervaporproof and greeseproof.
