This definition appears somewhat frequently
See other definitions of SS
Samples in periodicals archive:
Mandatory Surveys - Section 71 Notices. Mandatory surveys issued under section 71 of the Canadian Environmental Protection Act, 1999 (CEPA 1999) gather information...
All current Characters of Classification and Notations for Seagoing Ships are specified in the GL Rules for. Classification and Surveys (I-0), Section 2, C