BE501501A - IMPROVEMENTS IN CALCULATING MACHINES. - Google Patents

IMPROVEMENTS IN CALCULATING MACHINES.

Info

Publication number: BE501501A
Authority: BE; Belgium
Prior art keywords: calculating machines; machines; calculating
Prior art date: 1950-02-25

Application number

BE501501A

Other languages

French (fr)

Inventor

I Rizzieri

Original Assignee

I Rizzieri

Priority date (The priority date 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 date listed.)

1950-02-25

Filing date

1951-02-24

Publication date

1952-05-23

1951-02-24 Application filed by I Rizzieri filed Critical I Rizzieri

1952-05-23 Publication of BE501501A publication Critical patent/BE501501A/en

Links

BE501501A 1950-02-25 1951-02-24 IMPROVEMENTS IN CALCULATING MACHINES. BE501501A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT501501X		1950-02-25

Publications (1)

Publication Number	Publication Date
BE501501A true BE501501A (en)	1952-05-23

Family

ID=38538158

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE501501A BE501501A (en)	1950-02-25	1951-02-24	IMPROVEMENTS IN CALCULATING MACHINES.

Country Status (1)

Country	Link
BE (1)	BE501501A (en)

1951
- 1951-02-24 BE BE501501A patent/BE501501A/en unknown

Similar Documents

Publication	Publication Date	Title
CH312267A (en)	1955-12-31	Electronic calculating machine.
NL163739C (en)		TOOL MACHINE.
BE501501A (en)	1952-05-23	IMPROVEMENTS IN CALCULATING MACHINES.
FR1053966A (en)	1954-02-08	Improvements to calculating machines
BE516060A (en)	1954-10-01	DEVELOPMENT IN CALCULATING MACHINES.
BE509142A (en)	1953-07-31	IMPROVEMENTS IN CALCULATING MACHINES.
BE501946A (en)	1952-06-20	IMPROVEMENTS IN ADDING MACHINES AND CALCULATING MACHINES IN GENERAL.
BE504259A (en)	1952-10-24	CALCULATOR.
BE500550A (en)	1952-03-28	CALCULATOR.
CH289447A (en)	1953-03-15	Machine tool with rotating tool.
CH293172A (en)	1953-09-15	Talking machine.
BE505150A (en)	1952-12-19	DEVELOPMENT IN CIRCULAR Looms.
FR1032674A (en)	1953-07-03	Improvements to calculating machines
BE532378A (en)	1958-01-31	IMPROVEMENTS IN CALCULATING MACHINES.
BE525970A (en)	1956-07-06	IMPROVEMENTS IN CALCULATING MACHINES.
CH293171A (en)	1953-09-15	Totalizer for calculating machines.
CH280746A (en)	1952-01-31	Grinding machine.
BE506223A (en)	1953-02-27	IMPROVEMENTS IN OR RELATING TO CALCULATING MACHINES.
DK86838C (en)	1959-02-02	Value stamp machine.
BE517727A (en)	1955-01-07	CALCULATING OR ACCOUNTING MACHINE.
CH282128A (en)	1952-04-15	Talking machine.
FR1065214A (en)	1954-05-21	Calculator
FR1047984A (en)	1953-12-18	Calculator
GR12360B (en)	1950-02-22	COMPLEX WOODWORKING MACHINE.
FR1015072A (en)	1952-08-27	Improvement in unblocking machines