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8-KAccepted Apr 17, 3:40 PM ET

SIGMA LABS, INC. 8-K

NTRPNextTrip, Inc.

sec.gov(opens the filing on sec.gov)View full filing

Accepted (ET)

3:40 PM

Apr 17, 2012

Filed

Apr 17, 2012

Documents

1

Size

16.5 KB

Summary

Summary not available

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