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Filing metadata

Accession number: 0001179110-04-020123
Form type: Form 3
Filer: IMMUNOGEN INC
CIK: CIK 855654
Filed: Oct 26, 2004
Reporting period: Oct 25, 2004
Description: Initial ownership

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0001179110-04-020123-index.htm

Complete submission

0001179110-04-020123.txt

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