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Copyright Renewals

Yankee science in the making.

Author:
Dirk J. Struik.
Renewal ID:
RE509013
Original Registration Number:
A557895
Date of Renewal:
27Dec90
Date of Publication:
28Mar62
Claimant:
Dirk J. Struik (A)
Class Code:
A
Limitation of Claim; New Matter:
NM: new pref., revisions and additions.