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N MI 8020 7C Need help?
Status: CANCELLED
Subject: BIOLOGICAL CONTAMINATION CONTROL FOR OUTBOUND AND INBOUND PLANETARY SPACECRAFT
Responsible Office Code: none
Effective Date: December 12, 1991
Expiration Date: December 12, 1995
Cancellation Date: December 3, 1993 
Document Cancelling this Directive (if Cancelled): N MI 8020 7D
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Documents Cancelled by this Directive:
N MI 8020 7B   -   Show History