CH123357A - Apparat zur Herstellung von Summen- bezw. Differenzdiagrammen aus mehreren auf dieselbe unabhängige Variable bezüglichen Diagrammen.
- Google Patents
Apparat zur Herstellung von Summen- bezw. Differenzdiagrammen aus mehreren auf dieselbe unabhängige Variable bezüglichen Diagrammen.
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Publication number
CH123357A
CH123357ACH123357DACH123357ACH 123357 ACH123357 ACH 123357ACH 123357D ACH123357D ACH 123357DACH 123357 ACH123357 ACH 123357A
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Application filed by Gottlieb CoradifiledCriticalGottlieb Coradi
Publication of CH123357ApublicationCriticalpatent/CH123357A/de
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
B43L13/001—Mathematical drawing instruments
CH123357D1924-07-071926-08-25Apparat zur Herstellung von Summen- bezw. Differenzdiagrammen aus mehreren auf dieselbe unabhängige Variable bezüglichen Diagrammen.
CH123357A
(de)