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Patent US1557621 - GESELLSCHAFT
GESELLSCHAFT
C. LORENZ AKTIEN- GESELLSCHAFT
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Abstract
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Description
Claims
Patent number
: 1557621
Filing date
: Feb 17, 1923
Issue date
: Oct 20, 1925
Inventor
:
C. LORENZ AKTIEN- GESELLSCHAFT
Original Assignee
:
C
Current U.S. Classification
:
381/419
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