Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Einrichtung zur beobachtungsmoeglichkeit und ggf. erhaltung von rollennummern, wasserzeichen, gummi, gummiriffelung, seidenfaden u. dgl. bei briefmarken auf fuer die postbefoerderung beweiskraeftigen briefumschlaegen, postkarten usw.
OPERATIONALIZATION AND MEASUREMENT OF THREE STRATEGIC CONCEPTS IN THE STUDY OF BUILDING ORGANIZATIONS: SIZE, TECHNOLOGY AND STRUCTURE-AN EMPIRICAL APPRAISAL.