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GB 50139-2014 in English
Navigation standard of inland waterway
valid
Issued on:2014-04-15
$1,296.00 -
GB 50139-2004 in English
Navigation standard of inland waterway
superseded
Issued on:2004-03-01
$1,760.00 -
GB/T 17765-1999 in English
Terminology of aids to navigation
superseded
Issued on:1999-05-31
$1,184.00 -
JTJ 311-1997 in English
Bridge Navigation Standard for Seagoing Vessel
superseded
Issued on:1997-12-25
$1,312.00 -
GBJ 139-1990 in English
Standards for inland navigable waterway
superseded
Issued on:1990-12-15
$768.00