SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000932471-13-003797
Form type: SC 13G
Filer: MKS INSTRUMENTS INC
CIK: CIK 1049502
Filed: Feb 12, 2013
Reporting period: —
Description: Passive 5%+ stake

Documents

0000932471-13-003797-index.htm

Complete submission

0000932471-13-003797.txt

directory listing

Filed by

MKS INSTRUMENTS INC