BE425577A - - Google Patents

Info

Publication number: BE425577A
Authority: BE; Belgium

Application number

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.)

1937-05-05

Publication of BE425577A publication Critical patent/BE425577A/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals

BE425577D 1937-05-05 BE425577A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US140833A US2211093A (en)	1937-05-05	1937-05-05	Statistical card punch

Publications (1)

Publication Number	Publication Date
BE425577A true BE425577A (xx)

Family

ID=22492980

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE425577D BE425577A (xx)	1937-05-05

Country Status (4)

Country	Link
US (1)	US2211093A (xx)
BE (1)	BE425577A (xx)
GB (1)	GB510910A (xx)
NL (1)	NL55280C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2515012A (en) *	1946-02-23	1950-07-11	William R Kreider	Means to punch any card of a predetermined value within a group of cards
NL158805B (nl) *	1950-02-02		Boehringer Mannheim Gmbh	Werkwijze voor het binden van in water oplosbare eiwitten aan dragers, aldus verkregen kolommen en andere voorwerpen, alsmede een werkwijze voor de toepassing daarvan.
DE859071C (de) *	1950-02-19	1952-12-11	Ibm Deutschland	Speichereinrichtung fuer Lochkartenmaschinen

0
- BE BE425577D patent/BE425577A/xx unknown
- NL NL55280D patent/NL55280C/xx active
1937
- 1937-05-05 US US140833A patent/US2211093A/en not_active Expired - Lifetime
1938
- 1938-04-04 GB GB10305/38A patent/GB510910A/en not_active Expired

Also Published As

Publication number	Publication date
NL55280C (xx)
GB510910A (en)	1939-08-10
US2211093A (en)	1940-08-13

Publication	Publication Date	Title
FR847198A (xx)	1939-10-04
BE420085R (xx)	1937-03-31
BE131631A (xx)
BE425577A (xx)
NL58462C (xx)
NL58110C (xx)
NL54116C (xx)
NL51779C (xx)
NL51401C (xx)
NL51171C (xx)
NL50147C (xx)
NL45977C (xx)
NL45149C (xx)	1939-02-15
BE430118A (xx)
BE422006A (xx)
BE421925A (xx)
BE421670A (xx)	1937-06-30
BE421624A (xx)	1937-06-30
BE421514A (xx)
BE421498A (xx)	1937-06-30
BE421473A (xx)
BE421431A (xx)	1937-08-31
BE421290A (xx)	1937-05-31
BE421282A (xx)
BE421280A (xx)