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Mechanische Musikinstrumente in Patentschriften OVERSIZE

12 different German patents in calendar form

Designation: EPH-PAT
No.: 3628
Author/Owner/Origin: Uncredited
Pub.Date: 1983
Description: Size: 16.75×11.75, single-sided sheets
Language: Ger
Source: MBSI
Loan/Own: Loan
Entry Date: 1/19/2013
No. docs. 1