SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000906304-12-000159
Form type: SC 13G
Filer: MKS INSTRUMENTS INC
CIK: CIK 1049502
Filed: Jan 18, 2012
Reporting period: —
Description: Passive 5%+ stake

Documents

0000906304-12-000159-index.htm

Complete submission

0000906304-12-000159.txt

directory listing

Filed by

MKS INSTRUMENTS INC